Home / 40,282,430.68-60,423,591.32-18,705,233.52

Finding the Fourth Proportional to 40,282,430.68, 60,423,591.32 and 18,705,233.52

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Solution

The fourth proportional to 40,282,430.68, 60,423,591.32 and 18,705,233.52 is: 28,057,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282,430.68 : 60,423,591.32 = 18,705,233.52 : x
  2. Step 2: Convert to fraction form
    40,282,430.68/60,423,591.32 = 18,705,233.52/x
  3. Step 3: Cross multiply
    40,282,430.68x = 60,423,591.32 × 18,705,233.52
  4. Step 4: Simplify right side
    40,282,430.68x = 1,130,237,385,757,645
  5. Step 5: Solve for x
    x = 1,130,237,385,757,645/40,282,430.68
  6. Step 6: Final answer
    x = 28,057,824.88

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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.