Home / 9,074,042.40-13,571,697.60-8,121,385.20

Finding the Fourth Proportional to 9,074,042.40, 13,571,697.60 and 8,121,385.20

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Solution

The fourth proportional to 9,074,042.40, 13,571,697.60 and 8,121,385.20 is: 12,146,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074,042.40 : 13,571,697.60 = 8,121,385.20 : x
  2. Step 2: Convert to fraction form
    9,074,042.40/13,571,697.60 = 8,121,385.20/x
  3. Step 3: Cross multiply
    9,074,042.40x = 13,571,697.60 × 8,121,385.20
  4. Step 4: Simplify right side
    9,074,042.40x = 110,220,984,027,515.52
  5. Step 5: Solve for x
    x = 110,220,984,027,515.52/9,074,042.40
  6. Step 6: Final answer
    x = 12,146,844.72

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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.