Home / 13,612,938.76-18,785,981.46-7,501,585.96

Finding the Fourth Proportional to 13,612,938.76, 18,785,981.46 and 7,501,585.96

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Solution

The fourth proportional to 13,612,938.76, 18,785,981.46 and 7,501,585.96 is: 10,352,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,938.76 : 18,785,981.46 = 7,501,585.96 : x
  2. Step 2: Convert to fraction form
    13,612,938.76/18,785,981.46 = 7,501,585.96/x
  3. Step 3: Cross multiply
    13,612,938.76x = 18,785,981.46 × 7,501,585.96
  4. Step 4: Simplify right side
    13,612,938.76x = 140,924,654,765,156.31
  5. Step 5: Solve for x
    x = 140,924,654,765,156.31/13,612,938.76
  6. Step 6: Final answer
    x = 10,352,258.04

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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.