Home / 42,303,729.60-63,455,594.40-10,391,025.60

Finding the Fourth Proportional to 42,303,729.60, 63,455,594.40 and 10,391,025.60

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Solution

The fourth proportional to 42,303,729.60, 63,455,594.40 and 10,391,025.60 is: 15,586,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,729.60 : 63,455,594.40 = 10,391,025.60 : x
  2. Step 2: Convert to fraction form
    42,303,729.60/63,455,594.40 = 10,391,025.60/x
  3. Step 3: Cross multiply
    42,303,729.60x = 63,455,594.40 × 10,391,025.60
  4. Step 4: Simplify right side
    42,303,729.60x = 659,368,705,873,616.62
  5. Step 5: Solve for x
    x = 659,368,705,873,616.62/42,303,729.60
  6. Step 6: Final answer
    x = 15,586,538.40

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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.