Home / 31,347,124.20-47,020,686.30-27,999,045.90

Finding the Fourth Proportional to 31,347,124.20, 47,020,686.30 and 27,999,045.90

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Solution

The fourth proportional to 31,347,124.20, 47,020,686.30 and 27,999,045.90 is: 41,998,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347,124.20 : 47,020,686.30 = 27,999,045.90 : x
  2. Step 2: Convert to fraction form
    31,347,124.20/47,020,686.30 = 27,999,045.90/x
  3. Step 3: Cross multiply
    31,347,124.20x = 47,020,686.30 × 27,999,045.90
  4. Step 4: Simplify right side
    31,347,124.20x = 1,316,534,353,963,201
  5. Step 5: Solve for x
    x = 1,316,534,353,963,201/31,347,124.20
  6. Step 6: Final answer
    x = 41,998,568.85

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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.