Home / 31,590,147.30-47,385,220.95-18,825,065.70

Finding the Fourth Proportional to 31,590,147.30, 47,385,220.95 and 18,825,065.70

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Solution

The fourth proportional to 31,590,147.30, 47,385,220.95 and 18,825,065.70 is: 28,237,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590,147.30 : 47,385,220.95 = 18,825,065.70 : x
  2. Step 2: Convert to fraction form
    31,590,147.30/47,385,220.95 = 18,825,065.70/x
  3. Step 3: Cross multiply
    31,590,147.30x = 47,385,220.95 × 18,825,065.70
  4. Step 4: Simplify right side
    31,590,147.30x = 892,029,897,592,766.38
  5. Step 5: Solve for x
    x = 892,029,897,592,766.38/31,590,147.30
  6. Step 6: Final answer
    x = 28,237,598.55

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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.