Home / 31,954,549.70-47,931,824.55-18,349,660.10

Finding the Fourth Proportional to 31,954,549.70, 47,931,824.55 and 18,349,660.10

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Solution

The fourth proportional to 31,954,549.70, 47,931,824.55 and 18,349,660.10 is: 27,524,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954,549.70 : 47,931,824.55 = 18,349,660.10 : x
  2. Step 2: Convert to fraction form
    31,954,549.70/47,931,824.55 = 18,349,660.10/x
  3. Step 3: Cross multiply
    31,954,549.70x = 47,931,824.55 × 18,349,660.10
  4. Step 4: Simplify right side
    31,954,549.70x = 879,532,688,465,335.50
  5. Step 5: Solve for x
    x = 879,532,688,465,335.50/31,954,549.70
  6. Step 6: Final answer
    x = 27,524,490.15

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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.