Home / 31,536,211.60-47,304,317.40-13,585,315.60

Finding the Fourth Proportional to 31,536,211.60, 47,304,317.40 and 13,585,315.60

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Solution

The fourth proportional to 31,536,211.60, 47,304,317.40 and 13,585,315.60 is: 20,377,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,211.60 : 47,304,317.40 = 13,585,315.60 : x
  2. Step 2: Convert to fraction form
    31,536,211.60/47,304,317.40 = 13,585,315.60/x
  3. Step 3: Cross multiply
    31,536,211.60x = 47,304,317.40 × 13,585,315.60
  4. Step 4: Simplify right side
    31,536,211.60x = 642,644,081,121,571.38
  5. Step 5: Solve for x
    x = 642,644,081,121,571.38/31,536,211.60
  6. Step 6: Final answer
    x = 20,377,973.40

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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.