Home / 31,347,138.70-47,020,708.06-27,999,060.40

Finding the Fourth Proportional to 31,347,138.70, 47,020,708.06 and 27,999,060.40

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Solution

The fourth proportional to 31,347,138.70, 47,020,708.06 and 27,999,060.40 is: 41,998,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,347,138.70 : 47,020,708.06 = 27,999,060.40 : x
  2. Step 2: Convert to fraction form
    31,347,138.70/47,020,708.06 = 27,999,060.40/x
  3. Step 3: Cross multiply
    31,347,138.70x = 47,020,708.06 × 27,999,060.40
  4. Step 4: Simplify right side
    31,347,138.70x = 1,316,535,645,022,706.75
  5. Step 5: Solve for x
    x = 1,316,535,645,022,706.75/31,347,138.70
  6. Step 6: Final answer
    x = 41,998,590.61

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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.