Home / 34,205,449.74-47,208,217.02-20,972,286.42

Finding the Fourth Proportional to 34,205,449.74, 47,208,217.02 and 20,972,286.42

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Solution

The fourth proportional to 34,205,449.74, 47,208,217.02 and 20,972,286.42 is: 28,944,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,205,449.74 : 47,208,217.02 = 20,972,286.42 : x
  2. Step 2: Convert to fraction form
    34,205,449.74/47,208,217.02 = 20,972,286.42/x
  3. Step 3: Cross multiply
    34,205,449.74x = 47,208,217.02 × 20,972,286.42
  4. Step 4: Simplify right side
    34,205,449.74x = 990,064,248,720,959
  5. Step 5: Solve for x
    x = 990,064,248,720,959/34,205,449.74
  6. Step 6: Final answer
    x = 28,944,634.74

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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.