Home / 13,615,496.10-20,423,244.15-12,576,233.70

Finding the Fourth Proportional to 13,615,496.10, 20,423,244.15 and 12,576,233.70

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Solution

The fourth proportional to 13,615,496.10, 20,423,244.15 and 12,576,233.70 is: 18,864,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,615,496.10 : 20,423,244.15 = 12,576,233.70 : x
  2. Step 2: Convert to fraction form
    13,615,496.10/20,423,244.15 = 12,576,233.70/x
  3. Step 3: Cross multiply
    13,615,496.10x = 20,423,244.15 × 12,576,233.70
  4. Step 4: Simplify right side
    13,615,496.10x = 256,847,491,342,557.81
  5. Step 5: Solve for x
    x = 256,847,491,342,557.81/13,615,496.10
  6. Step 6: Final answer
    x = 18,864,350.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.