Home / 29,107,321.20-43,660,981.80-20,604,265.20

Finding the Fourth Proportional to 29,107,321.20, 43,660,981.80 and 20,604,265.20

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Solution

The fourth proportional to 29,107,321.20, 43,660,981.80 and 20,604,265.20 is: 30,906,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107,321.20 : 43,660,981.80 = 20,604,265.20 : x
  2. Step 2: Convert to fraction form
    29,107,321.20/43,660,981.80 = 20,604,265.20/x
  3. Step 3: Cross multiply
    29,107,321.20x = 43,660,981.80 × 20,604,265.20
  4. Step 4: Simplify right side
    29,107,321.20x = 899,602,447,899,573.25
  5. Step 5: Solve for x
    x = 899,602,447,899,573.25/29,107,321.20
  6. Step 6: Final answer
    x = 30,906,397.80

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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.