Home / 7,165,587.64-9,888,442.10-3,902,457

Finding the Fourth Proportional to 7,165,587.64, 9,888,442.10 and 3,902,457

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Solution

The fourth proportional to 7,165,587.64, 9,888,442.10 and 3,902,457 is: 5,385,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165,587.64 : 9,888,442.10 = 3,902,457 : x
  2. Step 2: Convert to fraction form
    7,165,587.64/9,888,442.10 = 3,902,457/x
  3. Step 3: Cross multiply
    7,165,587.64x = 9,888,442.10 × 3,902,457
  4. Step 4: Simplify right side
    7,165,587.64x = 38,589,220,092,239.70
  5. Step 5: Solve for x
    x = 38,589,220,092,239.70/7,165,587.64
  6. Step 6: Final answer
    x = 5,385,353.17

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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.