Home / 7,217,802.83-9,957,229.05-6,391,718.25

Finding the Fourth Proportional to 7,217,802.83, 9,957,229.05 and 6,391,718.25

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Solution

The fourth proportional to 7,217,802.83, 9,957,229.05 and 6,391,718.25 is: 8,817,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,802.83 : 9,957,229.05 = 6,391,718.25 : x
  2. Step 2: Convert to fraction form
    7,217,802.83/9,957,229.05 = 6,391,718.25/x
  3. Step 3: Cross multiply
    7,217,802.83x = 9,957,229.05 × 6,391,718.25
  4. Step 4: Simplify right side
    7,217,802.83x = 63,643,802,680,953.91
  5. Step 5: Solve for x
    x = 63,643,802,680,953.91/7,217,802.83
  6. Step 6: Final answer
    x = 8,817,614.47

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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.