Home / 12,937,946.64-19,391,828.76-9,732,767.28

Finding the Fourth Proportional to 12,937,946.64, 19,391,828.76 and 9,732,767.28

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Solution

The fourth proportional to 12,937,946.64, 19,391,828.76 and 9,732,767.28 is: 14,587,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,946.64 : 19,391,828.76 = 9,732,767.28 : x
  2. Step 2: Convert to fraction form
    12,937,946.64/19,391,828.76 = 9,732,767.28/x
  3. Step 3: Cross multiply
    12,937,946.64x = 19,391,828.76 × 9,732,767.28
  4. Step 4: Simplify right side
    12,937,946.64x = 188,736,156,454,690.97
  5. Step 5: Solve for x
    x = 188,736,156,454,690.97/12,937,946.64
  6. Step 6: Final answer
    x = 14,587,798.34

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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.