Home / 13,488,442.92-18,614,038.11-7,293,474.80

Finding the Fourth Proportional to 13,488,442.92, 18,614,038.11 and 7,293,474.80

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Solution

The fourth proportional to 13,488,442.92, 18,614,038.11 and 7,293,474.80 is: 10,064,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,442.92 : 18,614,038.11 = 7,293,474.80 : x
  2. Step 2: Convert to fraction form
    13,488,442.92/18,614,038.11 = 7,293,474.80/x
  3. Step 3: Cross multiply
    13,488,442.92x = 18,614,038.11 × 7,293,474.80
  4. Step 4: Simplify right side
    13,488,442.92x = 135,761,017,830,906.55
  5. Step 5: Solve for x
    x = 135,761,017,830,906.55/13,488,442.92
  6. Step 6: Final answer
    x = 10,064,988.13

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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.