Home / 20,779,550.17-28,675,818.13-11,612,192.92

Finding the Fourth Proportional to 20,779,550.17, 28,675,818.13 and 11,612,192.92

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Solution

The fourth proportional to 20,779,550.17, 28,675,818.13 and 11,612,192.92 is: 16,024,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,779,550.17 : 28,675,818.13 = 11,612,192.92 : x
  2. Step 2: Convert to fraction form
    20,779,550.17/28,675,818.13 = 11,612,192.92/x
  3. Step 3: Cross multiply
    20,779,550.17x = 28,675,818.13 × 11,612,192.92
  4. Step 4: Simplify right side
    20,779,550.17x = 332,989,132,264,393.62
  5. Step 5: Solve for x
    x = 332,989,132,264,393.62/20,779,550.17
  6. Step 6: Final answer
    x = 16,024,847.97

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1.5x scale

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.