Home / 29,138,153.60-43,672,238.40-12,090,051.20

Finding the Fourth Proportional to 29,138,153.60, 43,672,238.40 and 12,090,051.20

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Solution

The fourth proportional to 29,138,153.60, 43,672,238.40 and 12,090,051.20 is: 18,120,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138,153.60 : 43,672,238.40 = 12,090,051.20 : x
  2. Step 2: Convert to fraction form
    29,138,153.60/43,672,238.40 = 12,090,051.20/x
  3. Step 3: Cross multiply
    29,138,153.60x = 43,672,238.40 × 12,090,051.20
  4. Step 4: Simplify right side
    29,138,153.60x = 527,999,598,274,606
  5. Step 5: Solve for x
    x = 527,999,598,274,606/29,138,153.60
  6. Step 6: Final answer
    x = 18,120,557.86

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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.