Home / 9,391,068.91-12,959,646.19-5,205,020.70

Finding the Fourth Proportional to 9,391,068.91, 12,959,646.19 and 5,205,020.70

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Solution

The fourth proportional to 9,391,068.91, 12,959,646.19 and 5,205,020.70 is: 7,182,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,391,068.91 : 12,959,646.19 = 5,205,020.70 : x
  2. Step 2: Convert to fraction form
    9,391,068.91/12,959,646.19 = 5,205,020.70/x
  3. Step 3: Cross multiply
    9,391,068.91x = 12,959,646.19 × 5,205,020.70
  4. Step 4: Simplify right side
    9,391,068.91x = 67,455,226,683,626.13
  5. Step 5: Solve for x
    x = 67,455,226,683,626.13/9,391,068.91
  6. Step 6: Final answer
    x = 7,182,912.54

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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.