Home / 10,400,765.20-15,601,147.80-6,999,542.80

Finding the Fourth Proportional to 10,400,765.20, 15,601,147.80 and 6,999,542.80

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Solution

The fourth proportional to 10,400,765.20, 15,601,147.80 and 6,999,542.80 is: 10,499,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400,765.20 : 15,601,147.80 = 6,999,542.80 : x
  2. Step 2: Convert to fraction form
    10,400,765.20/15,601,147.80 = 6,999,542.80/x
  3. Step 3: Cross multiply
    10,400,765.20x = 15,601,147.80 × 6,999,542.80
  4. Step 4: Simplify right side
    10,400,765.20x = 109,200,901,755,225.84
  5. Step 5: Solve for x
    x = 109,200,901,755,225.84/10,400,765.20
  6. Step 6: Final answer
    x = 10,499,314.20

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1.5x scale

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.