Home / 13,569,937.10-18,726,657.87-7,374,984.18

Finding the Fourth Proportional to 13,569,937.10, 18,726,657.87 and 7,374,984.18

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Solution

The fourth proportional to 13,569,937.10, 18,726,657.87 and 7,374,984.18 is: 10,177,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569,937.10 : 18,726,657.87 = 7,374,984.18 : x
  2. Step 2: Convert to fraction form
    13,569,937.10/18,726,657.87 = 7,374,984.18/x
  3. Step 3: Cross multiply
    13,569,937.10x = 18,726,657.87 × 7,374,984.18
  4. Step 4: Simplify right side
    13,569,937.10x = 138,108,805,535,522.50
  5. Step 5: Solve for x
    x = 138,108,805,535,522.50/13,569,937.10
  6. Step 6: Final answer
    x = 10,177,556.79

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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.