Home / 13,689,414.69-20,554,307.78-7,635,973.65

Finding the Fourth Proportional to 13,689,414.69, 20,554,307.78 and 7,635,973.65

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Solution

The fourth proportional to 13,689,414.69, 20,554,307.78 and 7,635,973.65 is: 11,465,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,414.69 : 20,554,307.78 = 7,635,973.65 : x
  2. Step 2: Convert to fraction form
    13,689,414.69/20,554,307.78 = 7,635,973.65/x
  3. Step 3: Cross multiply
    13,689,414.69x = 20,554,307.78 × 7,635,973.65
  4. Step 4: Simplify right side
    13,689,414.69x = 156,952,152,563,890.12
  5. Step 5: Solve for x
    x = 156,952,152,563,890.12/13,689,414.69
  6. Step 6: Final answer
    x = 11,465,220.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.