Home / 7,934,863.90-10,803,620.10-7,909,669.66

Finding the Fourth Proportional to 7,934,863.90, 10,803,620.10 and 7,909,669.66

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Solution

The fourth proportional to 7,934,863.90, 10,803,620.10 and 7,909,669.66 is: 10,769,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934,863.90 : 10,803,620.10 = 7,909,669.66 : x
  2. Step 2: Convert to fraction form
    7,934,863.90/10,803,620.10 = 7,909,669.66/x
  3. Step 3: Cross multiply
    7,934,863.90x = 10,803,620.10 × 7,909,669.66
  4. Step 4: Simplify right side
    7,934,863.90x = 85,453,066,123,136.17
  5. Step 5: Solve for x
    x = 85,453,066,123,136.17/7,934,863.90
  6. Step 6: Final answer
    x = 10,769,317.18

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.