Home / 12,431,884.68-17,156,178-7,134,442.07

Finding the Fourth Proportional to 12,431,884.68, 17,156,178 and 7,134,442.07

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Solution

The fourth proportional to 12,431,884.68, 17,156,178 and 7,134,442.07 is: 9,845,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,431,884.68 : 17,156,178 = 7,134,442.07 : x
  2. Step 2: Convert to fraction form
    12,431,884.68/17,156,178 = 7,134,442.07/x
  3. Step 3: Cross multiply
    12,431,884.68x = 17,156,178 × 7,134,442.07
  4. Step 4: Simplify right side
    12,431,884.68x = 122,399,757,997,827.58
  5. Step 5: Solve for x
    x = 122,399,757,997,827.58/12,431,884.68
  6. Step 6: Final answer
    x = 9,845,631.71

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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.