Home / 13,694,275.50-18,897,869.19-7,582,572.78

Finding the Fourth Proportional to 13,694,275.50, 18,897,869.19 and 7,582,572.78

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Solution

The fourth proportional to 13,694,275.50, 18,897,869.19 and 7,582,572.78 is: 10,463,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,275.50 : 18,897,869.19 = 7,582,572.78 : x
  2. Step 2: Convert to fraction form
    13,694,275.50/18,897,869.19 = 7,582,572.78/x
  3. Step 3: Cross multiply
    13,694,275.50x = 18,897,869.19 × 7,582,572.78
  4. Step 4: Simplify right side
    13,694,275.50x = 143,294,468,520,094.66
  5. Step 5: Solve for x
    x = 143,294,468,520,094.66/13,694,275.50
  6. Step 6: Final answer
    x = 10,463,822.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.