Home / 31,587,934.88-47,351,633.02-13,367,065.08

Finding the Fourth Proportional to 31,587,934.88, 47,351,633.02 and 13,367,065.08

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Solution

The fourth proportional to 31,587,934.88, 47,351,633.02 and 13,367,065.08 is: 20,037,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587,934.88 : 47,351,633.02 = 13,367,065.08 : x
  2. Step 2: Convert to fraction form
    31,587,934.88/47,351,633.02 = 13,367,065.08/x
  3. Step 3: Cross multiply
    31,587,934.88x = 47,351,633.02 × 13,367,065.08
  4. Step 4: Simplify right side
    31,587,934.88x = 632,952,360,222,617
  5. Step 5: Solve for x
    x = 632,952,360,222,617/31,587,934.88
  6. Step 6: Final answer
    x = 20,037,788.56

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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.