Home / 17,129,853.60-23,639,087.16-9,789,931.68

Finding the Fourth Proportional to 17,129,853.60, 23,639,087.16 and 9,789,931.68

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Solution

The fourth proportional to 17,129,853.60, 23,639,087.16 and 9,789,931.68 is: 13,510,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129,853.60 : 23,639,087.16 = 9,789,931.68 : x
  2. Step 2: Convert to fraction form
    17,129,853.60/23,639,087.16 = 9,789,931.68/x
  3. Step 3: Cross multiply
    17,129,853.60x = 23,639,087.16 × 9,789,931.68
  4. Step 4: Simplify right side
    17,129,853.60x = 231,425,048,273,965.22
  5. Step 5: Solve for x
    x = 231,425,048,273,965.22/17,129,853.60
  6. Step 6: Final answer
    x = 13,510,042.39

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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.