Home / 10,500,666.30-15,750,999.45-6,238,640.70

Finding the Fourth Proportional to 10,500,666.30, 15,750,999.45 and 6,238,640.70

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Solution

The fourth proportional to 10,500,666.30, 15,750,999.45 and 6,238,640.70 is: 9,357,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500,666.30 : 15,750,999.45 = 6,238,640.70 : x
  2. Step 2: Convert to fraction form
    10,500,666.30/15,750,999.45 = 6,238,640.70/x
  3. Step 3: Cross multiply
    10,500,666.30x = 15,750,999.45 × 6,238,640.70
  4. Step 4: Simplify right side
    10,500,666.30x = 98,264,826,234,447.61
  5. Step 5: Solve for x
    x = 98,264,826,234,447.61/10,500,666.30
  6. Step 6: Final answer
    x = 9,357,961.05

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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.