Home / 10,514,389.10-15,745,011.60-8,388,625.10

Finding the Fourth Proportional to 10,514,389.10, 15,745,011.60 and 8,388,625.10

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Solution

The fourth proportional to 10,514,389.10, 15,745,011.60 and 8,388,625.10 is: 12,561,737.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,514,389.10 : 15,745,011.60 = 8,388,625.10 : x
  2. Step 2: Convert to fraction form
    10,514,389.10/15,745,011.60 = 8,388,625.10/x
  3. Step 3: Cross multiply
    10,514,389.10x = 15,745,011.60 × 8,388,625.10
  4. Step 4: Simplify right side
    10,514,389.10x = 132,078,999,507,551.16
  5. Step 5: Solve for x
    x = 132,078,999,507,551.16/10,514,389.10
  6. Step 6: Final answer
    x = 12,561,737.85

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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.