Home / 13,155,614.24-18,154,882.20-7,354,718.24

Finding the Fourth Proportional to 13,155,614.24, 18,154,882.20 and 7,354,718.24

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Solution

The fourth proportional to 13,155,614.24, 18,154,882.20 and 7,354,718.24 is: 10,149,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155,614.24 : 18,154,882.20 = 7,354,718.24 : x
  2. Step 2: Convert to fraction form
    13,155,614.24/18,154,882.20 = 7,354,718.24/x
  3. Step 3: Cross multiply
    13,155,614.24x = 18,154,882.20 × 7,354,718.24
  4. Step 4: Simplify right side
    13,155,614.24x = 133,524,043,261,391.33
  5. Step 5: Solve for x
    x = 133,524,043,261,391.33/13,155,614.24
  6. Step 6: Final answer
    x = 10,149,586.39

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1.5x scale

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.