Home / 31,585,023.12-47,377,528.20-17,220,172.08

Finding the Fourth Proportional to 31,585,023.12, 47,377,528.20 and 17,220,172.08

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Solution

The fourth proportional to 31,585,023.12, 47,377,528.20 and 17,220,172.08 is: 25,830,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585,023.12 : 47,377,528.20 = 17,220,172.08 : x
  2. Step 2: Convert to fraction form
    31,585,023.12/47,377,528.20 = 17,220,172.08/x
  3. Step 3: Cross multiply
    31,585,023.12x = 47,377,528.20 × 17,220,172.08
  4. Step 4: Simplify right side
    31,585,023.12x = 815,849,188,329,052.62
  5. Step 5: Solve for x
    x = 815,849,188,329,052.62/31,585,023.12
  6. Step 6: Final answer
    x = 25,830,254.59

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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.