Home / 19,892,103.60-29,838,155.40-11,373,301.20

Finding the Fourth Proportional to 19,892,103.60, 29,838,155.40 and 11,373,301.20

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Solution

The fourth proportional to 19,892,103.60, 29,838,155.40 and 11,373,301.20 is: 17,059,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892,103.60 : 29,838,155.40 = 11,373,301.20 : x
  2. Step 2: Convert to fraction form
    19,892,103.60/29,838,155.40 = 11,373,301.20/x
  3. Step 3: Cross multiply
    19,892,103.60x = 29,838,155.40 × 11,373,301.20
  4. Step 4: Simplify right side
    19,892,103.60x = 339,358,328,616,606.44
  5. Step 5: Solve for x
    x = 339,358,328,616,606.44/19,892,103.60
  6. Step 6: Final answer
    x = 17,059,951.80

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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.