Home / 20,824,379.04-28,717,454.16-16,239,027.36

Finding the Fourth Proportional to 20,824,379.04, 28,717,454.16 and 16,239,027.36

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Solution

The fourth proportional to 20,824,379.04, 28,717,454.16 and 16,239,027.36 is: 22,394,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824,379.04 : 28,717,454.16 = 16,239,027.36 : x
  2. Step 2: Convert to fraction form
    20,824,379.04/28,717,454.16 = 16,239,027.36/x
  3. Step 3: Cross multiply
    20,824,379.04x = 28,717,454.16 × 16,239,027.36
  4. Step 4: Simplify right side
    20,824,379.04x = 466,343,523,813,785.81
  5. Step 5: Solve for x
    x = 466,343,523,813,785.81/20,824,379.04
  6. Step 6: Final answer
    x = 22,394,114.27

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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.