Home / 56,861,712.72-85,292,818.74-18,000,355.56

Finding the Fourth Proportional to 56,861,712.72, 85,292,818.74 and 18,000,355.56

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Solution

The fourth proportional to 56,861,712.72, 85,292,818.74 and 18,000,355.56 is: 27,000,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,712.72 : 85,292,818.74 = 18,000,355.56 : x
  2. Step 2: Convert to fraction form
    56,861,712.72/85,292,818.74 = 18,000,355.56/x
  3. Step 3: Cross multiply
    56,861,712.72x = 85,292,818.74 × 18,000,355.56
  4. Step 4: Simplify right side
    56,861,712.72x = 1,535,301,064,034,631
  5. Step 5: Solve for x
    x = 1,535,301,064,034,631/56,861,712.72
  6. Step 6: Final answer
    x = 27,000,612.37

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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.