Home / 15,400,023,118.62-21,202,639,423.17-12,008,580,478.56

Finding the Fourth Proportional to 15,400,023,118.62, 21,202,639,423.17 and 12,008,580,478.56

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Solution

The fourth proportional to 15,400,023,118.62, 21,202,639,423.17 and 12,008,580,478.56 is: 16,533,325,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,023,118.62 : 21,202,639,423.17 = 12,008,580,478.56 : x
  2. Step 2: Convert to fraction form
    15,400,023,118.62/21,202,639,423.17 = 12,008,580,478.56/x
  3. Step 3: Cross multiply
    15,400,023,118.62x = 21,202,639,423.17 × 12,008,580,478.56
  4. Step 4: Simplify right side
    15,400,023,118.62x = 254,613,601,871,025,897,472
  5. Step 5: Solve for x
    x = 254,613,601,871,025,897,472/15,400,023,118.62
  6. Step 6: Final answer
    x = 16,533,325,950.87

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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.