Home / 9,128,061.20-12,597,569.40-5,053,680.20

Finding the Fourth Proportional to 9,128,061.20, 12,597,569.40 and 5,053,680.20

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Solution

The fourth proportional to 9,128,061.20, 12,597,569.40 and 5,053,680.20 is: 6,974,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,061.20 : 12,597,569.40 = 5,053,680.20 : x
  2. Step 2: Convert to fraction form
    9,128,061.20/12,597,569.40 = 5,053,680.20/x
  3. Step 3: Cross multiply
    9,128,061.20x = 12,597,569.40 × 5,053,680.20
  4. Step 4: Simplify right side
    9,128,061.20x = 63,664,087,044,905.88
  5. Step 5: Solve for x
    x = 63,664,087,044,905.88/9,128,061.20
  6. Step 6: Final answer
    x = 6,974,546.47

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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.