Home / 10,152,023.10-15,228,034.65-8,640,368.70

Finding the Fourth Proportional to 10,152,023.10, 15,228,034.65 and 8,640,368.70

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Solution

The fourth proportional to 10,152,023.10, 15,228,034.65 and 8,640,368.70 is: 12,960,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152,023.10 : 15,228,034.65 = 8,640,368.70 : x
  2. Step 2: Convert to fraction form
    10,152,023.10/15,228,034.65 = 8,640,368.70/x
  3. Step 3: Cross multiply
    10,152,023.10x = 15,228,034.65 × 8,640,368.70
  4. Step 4: Simplify right side
    10,152,023.10x = 131,575,833,952,375.45
  5. Step 5: Solve for x
    x = 131,575,833,952,375.45/10,152,023.10
  6. Step 6: Final answer
    x = 12,960,553.05

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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.