Home / 7,781,899.11-10,661,152.08-7,490,892.30

Finding the Fourth Proportional to 7,781,899.11, 10,661,152.08 and 7,490,892.30

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Solution

The fourth proportional to 7,781,899.11, 10,661,152.08 and 7,490,892.30 is: 10,262,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,899.11 : 10,661,152.08 = 7,490,892.30 : x
  2. Step 2: Convert to fraction form
    7,781,899.11/10,661,152.08 = 7,490,892.30/x
  3. Step 3: Cross multiply
    7,781,899.11x = 10,661,152.08 × 7,490,892.30
  4. Step 4: Simplify right side
    7,781,899.11x = 79,861,542,025,200.98
  5. Step 5: Solve for x
    x = 79,861,542,025,200.98/7,781,899.11
  6. Step 6: Final answer
    x = 10,262,474.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.