Home / 12,639,479.48-17,460,338.10-10,057,857.20

Finding the Fourth Proportional to 12,639,479.48, 17,460,338.10 and 10,057,857.20

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Solution

The fourth proportional to 12,639,479.48, 17,460,338.10 and 10,057,857.20 is: 13,894,052.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639,479.48 : 17,460,338.10 = 10,057,857.20 : x
  2. Step 2: Convert to fraction form
    12,639,479.48/17,460,338.10 = 10,057,857.20/x
  3. Step 3: Cross multiply
    12,639,479.48x = 17,460,338.10 × 10,057,857.20
  4. Step 4: Simplify right side
    12,639,479.48x = 175,613,587,273,519.31
  5. Step 5: Solve for x
    x = 175,613,587,273,519.31/12,639,479.48
  6. Step 6: Final answer
    x = 13,894,052.17

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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.