Home / 13,150,641.46-18,148,445.68-7,349,423.03

Finding the Fourth Proportional to 13,150,641.46, 18,148,445.68 and 7,349,423.03

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Solution

The fourth proportional to 13,150,641.46, 18,148,445.68 and 7,349,423.03 is: 10,142,517.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,641.46 : 18,148,445.68 = 7,349,423.03 : x
  2. Step 2: Convert to fraction form
    13,150,641.46/18,148,445.68 = 7,349,423.03/x
  3. Step 3: Cross multiply
    13,150,641.46x = 18,148,445.68 × 7,349,423.03
  4. Step 4: Simplify right side
    13,150,641.46x = 133,380,604,639,296.02
  5. Step 5: Solve for x
    x = 133,380,604,639,296.02/13,150,641.46
  6. Step 6: Final answer
    x = 10,142,517.01

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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.