Home / 10,915,999.60-16,373,999.40-7,514,777.20

Finding the Fourth Proportional to 10,915,999.60, 16,373,999.40 and 7,514,777.20

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Solution

The fourth proportional to 10,915,999.60, 16,373,999.40 and 7,514,777.20 is: 11,272,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,999.60 : 16,373,999.40 = 7,514,777.20 : x
  2. Step 2: Convert to fraction form
    10,915,999.60/16,373,999.40 = 7,514,777.20/x
  3. Step 3: Cross multiply
    10,915,999.60x = 16,373,999.40 × 7,514,777.20
  4. Step 4: Simplify right side
    10,915,999.60x = 123,046,957,363,933.69
  5. Step 5: Solve for x
    x = 123,046,957,363,933.69/10,915,999.60
  6. Step 6: Final answer
    x = 11,272,165.80

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1.5x scale

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.