Home / 15,808,882.97-21,815,057.02-9,613,074.38

Finding the Fourth Proportional to 15,808,882.97, 21,815,057.02 and 9,613,074.38

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Solution

The fourth proportional to 15,808,882.97, 21,815,057.02 and 9,613,074.38 is: 13,265,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808,882.97 : 21,815,057.02 = 9,613,074.38 : x
  2. Step 2: Convert to fraction form
    15,808,882.97/21,815,057.02 = 9,613,074.38/x
  3. Step 3: Cross multiply
    15,808,882.97x = 21,815,057.02 × 9,613,074.38
  4. Step 4: Simplify right side
    15,808,882.97x = 209,709,765,717,785.81
  5. Step 5: Solve for x
    x = 209,709,765,717,785.81/15,808,882.97
  6. Step 6: Final answer
    x = 13,265,312.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.