Home / 12,546,948.89-18,818,928.27-3,449,970.92

Finding the Fourth Proportional to 12,546,948.89, 18,818,928.27 and 3,449,970.92

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Solution

The fourth proportional to 12,546,948.89, 18,818,928.27 and 3,449,970.92 is: 5,174,545.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546,948.89 : 18,818,928.27 = 3,449,970.92 : x
  2. Step 2: Convert to fraction form
    12,546,948.89/18,818,928.27 = 3,449,970.92/x
  3. Step 3: Cross multiply
    12,546,948.89x = 18,818,928.27 × 3,449,970.92
  4. Step 4: Simplify right side
    12,546,948.89x = 64,924,755,182,971.27
  5. Step 5: Solve for x
    x = 64,924,755,182,971.27/12,546,948.89
  6. Step 6: Final answer
    x = 5,174,545.28

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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.