Home / 42,375,840.60-63,563,975.18-13,227,236.18

Finding the Fourth Proportional to 42,375,840.60, 63,563,975.18 and 13,227,236.18

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Solution

The fourth proportional to 42,375,840.60, 63,563,975.18 and 13,227,236.18 is: 19,840,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,375,840.60 : 63,563,975.18 = 13,227,236.18 : x
  2. Step 2: Convert to fraction form
    42,375,840.60/63,563,975.18 = 13,227,236.18/x
  3. Step 3: Cross multiply
    42,375,840.60x = 63,563,975.18 × 13,227,236.18
  4. Step 4: Simplify right side
    42,375,840.60x = 840,775,712,245,518
  5. Step 5: Solve for x
    x = 840,775,712,245,518/42,375,840.60
  6. Step 6: Final answer
    x = 19,840,921.16

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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.