Home / 10,453,136.80-14,391,960.32-8,919,087.52

Finding the Fourth Proportional to 10,453,136.80, 14,391,960.32 and 8,919,087.52

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Solution

The fourth proportional to 10,453,136.80, 14,391,960.32 and 8,919,087.52 is: 12,279,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,453,136.80 : 14,391,960.32 = 8,919,087.52 : x
  2. Step 2: Convert to fraction form
    10,453,136.80/14,391,960.32 = 8,919,087.52/x
  3. Step 3: Cross multiply
    10,453,136.80x = 14,391,960.32 × 8,919,087.52
  4. Step 4: Simplify right side
    10,453,136.80x = 128,363,153,678,447.20
  5. Step 5: Solve for x
    x = 128,363,153,678,447.20/10,453,136.80
  6. Step 6: Final answer
    x = 12,279,869.30

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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.