Home / 31,536,187.60-47,304,281.40-13,585,291.60

Finding the Fourth Proportional to 31,536,187.60, 47,304,281.40 and 13,585,291.60

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Solution

The fourth proportional to 31,536,187.60, 47,304,281.40 and 13,585,291.60 is: 20,377,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,187.60 : 47,304,281.40 = 13,585,291.60 : x
  2. Step 2: Convert to fraction form
    31,536,187.60/47,304,281.40 = 13,585,291.60/x
  3. Step 3: Cross multiply
    31,536,187.60x = 47,304,281.40 × 13,585,291.60
  4. Step 4: Simplify right side
    31,536,187.60x = 642,642,456,747,456.25
  5. Step 5: Solve for x
    x = 642,642,456,747,456.25/31,536,187.60
  6. Step 6: Final answer
    x = 20,377,937.40

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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.