Home / 42,610,288.50-63,924,905.07-19,878,785.46

Finding the Fourth Proportional to 42,610,288.50, 63,924,905.07 and 19,878,785.46

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Solution

The fourth proportional to 42,610,288.50, 63,924,905.07 and 19,878,785.46 is: 29,822,597.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610,288.50 : 63,924,905.07 = 19,878,785.46 : x
  2. Step 2: Convert to fraction form
    42,610,288.50/63,924,905.07 = 19,878,785.46/x
  3. Step 3: Cross multiply
    42,610,288.50x = 63,924,905.07 × 19,878,785.46
  4. Step 4: Simplify right side
    42,610,288.50x = 1,270,749,473,437,396.25
  5. Step 5: Solve for x
    x = 1,270,749,473,437,396.25/42,610,288.50
  6. Step 6: Final answer
    x = 29,822,597.27

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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.