Home / 29,138,117.60-43,672,184.40-12,090,015.20

Finding the Fourth Proportional to 29,138,117.60, 43,672,184.40 and 12,090,015.20

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Solution

The fourth proportional to 29,138,117.60, 43,672,184.40 and 12,090,015.20 is: 18,120,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138,117.60 : 43,672,184.40 = 12,090,015.20 : x
  2. Step 2: Convert to fraction form
    29,138,117.60/43,672,184.40 = 12,090,015.20/x
  3. Step 3: Cross multiply
    29,138,117.60x = 43,672,184.40 × 12,090,015.20
  4. Step 4: Simplify right side
    29,138,117.60x = 527,997,373,213,202.81
  5. Step 5: Solve for x
    x = 527,997,373,213,202.81/29,138,117.60
  6. Step 6: Final answer
    x = 18,120,503.89

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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.