Home / 10,012,430.35-15,013,672.02-3,188,112.70

Finding the Fourth Proportional to 10,012,430.35, 15,013,672.02 and 3,188,112.70

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Solution

The fourth proportional to 10,012,430.35, 15,013,672.02 and 3,188,112.70 is: 4,780,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012,430.35 : 15,013,672.02 = 3,188,112.70 : x
  2. Step 2: Convert to fraction form
    10,012,430.35/15,013,672.02 = 3,188,112.70/x
  3. Step 3: Cross multiply
    10,012,430.35x = 15,013,672.02 × 3,188,112.70
  4. Step 4: Simplify right side
    10,012,430.35x = 47,865,278,440,596.66
  5. Step 5: Solve for x
    x = 47,865,278,440,596.66/10,012,430.35
  6. Step 6: Final answer
    x = 4,780,585.41

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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.