Home / 14,028,451.60-21,042,677.40-13,608,547.60

Finding the Fourth Proportional to 14,028,451.60, 21,042,677.40 and 13,608,547.60

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Solution

The fourth proportional to 14,028,451.60, 21,042,677.40 and 13,608,547.60 is: 20,412,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028,451.60 : 21,042,677.40 = 13,608,547.60 : x
  2. Step 2: Convert to fraction form
    14,028,451.60/21,042,677.40 = 13,608,547.60/x
  3. Step 3: Cross multiply
    14,028,451.60x = 21,042,677.40 × 13,608,547.60
  4. Step 4: Simplify right side
    14,028,451.60x = 286,360,277,029,344.19
  5. Step 5: Solve for x
    x = 286,360,277,029,344.19/14,028,451.60
  6. Step 6: Final answer
    x = 20,412,821.40

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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.