Home / 28,007,547.60-42,011,321.40-22,338,843.60

Finding the Fourth Proportional to 28,007,547.60, 42,011,321.40 and 22,338,843.60

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Solution

The fourth proportional to 28,007,547.60, 42,011,321.40 and 22,338,843.60 is: 33,508,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,007,547.60 : 42,011,321.40 = 22,338,843.60 : x
  2. Step 2: Convert to fraction form
    28,007,547.60/42,011,321.40 = 22,338,843.60/x
  3. Step 3: Cross multiply
    28,007,547.60x = 42,011,321.40 × 22,338,843.60
  4. Step 4: Simplify right side
    28,007,547.60x = 938,484,338,183,933.12
  5. Step 5: Solve for x
    x = 938,484,338,183,933.12/28,007,547.60
  6. Step 6: Final answer
    x = 33,508,265.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.