Home / 7,518,349.12-10,375,326.84-4,080,590.20

Finding the Fourth Proportional to 7,518,349.12, 10,375,326.84 and 4,080,590.20

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Solution

The fourth proportional to 7,518,349.12, 10,375,326.84 and 4,080,590.20 is: 5,631,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,349.12 : 10,375,326.84 = 4,080,590.20 : x
  2. Step 2: Convert to fraction form
    7,518,349.12/10,375,326.84 = 4,080,590.20/x
  3. Step 3: Cross multiply
    7,518,349.12x = 10,375,326.84 × 4,080,590.20
  4. Step 4: Simplify right side
    7,518,349.12x = 42,337,457,025,100.97
  5. Step 5: Solve for x
    x = 42,337,457,025,100.97/7,518,349.12
  6. Step 6: Final answer
    x = 5,631,217.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.