Home / 31,536,289.20-47,304,433.80-18,569,128.80

Finding the Fourth Proportional to 31,536,289.20, 47,304,433.80 and 18,569,128.80

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Solution

The fourth proportional to 31,536,289.20, 47,304,433.80 and 18,569,128.80 is: 27,853,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,289.20 : 47,304,433.80 = 18,569,128.80 : x
  2. Step 2: Convert to fraction form
    31,536,289.20/47,304,433.80 = 18,569,128.80/x
  3. Step 3: Cross multiply
    31,536,289.20x = 47,304,433.80 × 18,569,128.80
  4. Step 4: Simplify right side
    31,536,289.20x = 878,402,124,043,273.38
  5. Step 5: Solve for x
    x = 878,402,124,043,273.38/31,536,289.20
  6. Step 6: Final answer
    x = 27,853,693.20

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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.