Home / 7,387,168.08-10,197,012.33-4,447,121.88

Finding the Fourth Proportional to 7,387,168.08, 10,197,012.33 and 4,447,121.88

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Solution

The fourth proportional to 7,387,168.08, 10,197,012.33 and 4,447,121.88 is: 6,138,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387,168.08 : 10,197,012.33 = 4,447,121.88 : x
  2. Step 2: Convert to fraction form
    7,387,168.08/10,197,012.33 = 4,447,121.88/x
  3. Step 3: Cross multiply
    7,387,168.08x = 10,197,012.33 × 4,447,121.88
  4. Step 4: Simplify right side
    7,387,168.08x = 45,347,356,643,372.78
  5. Step 5: Solve for x
    x = 45,347,356,643,372.78/7,387,168.08
  6. Step 6: Final answer
    x = 6,138,665.88

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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.