Home / 42,610,263.59-63,924,867.53-19,878,760.55

Finding the Fourth Proportional to 42,610,263.59, 63,924,867.53 and 19,878,760.55

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Solution

The fourth proportional to 42,610,263.59, 63,924,867.53 and 19,878,760.55 is: 29,822,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610,263.59 : 63,924,867.53 = 19,878,760.55 : x
  2. Step 2: Convert to fraction form
    42,610,263.59/63,924,867.53 = 19,878,760.55/x
  3. Step 3: Cross multiply
    42,610,263.59x = 63,924,867.53 × 19,878,760.55
  4. Step 4: Simplify right side
    42,610,263.59x = 1,270,747,134,400,322
  5. Step 5: Solve for x
    x = 1,270,747,134,400,322/42,610,263.59
  6. Step 6: Final answer
    x = 29,822,559.81

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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.