Home / 11,912,700.12-17,858,345.22-4,719,381.72

Finding the Fourth Proportional to 11,912,700.12, 17,858,345.22 and 4,719,381.72

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Solution

The fourth proportional to 11,912,700.12, 17,858,345.22 and 4,719,381.72 is: 7,074,831.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912,700.12 : 17,858,345.22 = 4,719,381.72 : x
  2. Step 2: Convert to fraction form
    11,912,700.12/17,858,345.22 = 4,719,381.72/x
  3. Step 3: Cross multiply
    11,912,700.12x = 17,858,345.22 × 4,719,381.72
  4. Step 4: Simplify right side
    11,912,700.12x = 84,280,347,980,717.38
  5. Step 5: Solve for x
    x = 84,280,347,980,717.38/11,912,700.12
  6. Step 6: Final answer
    x = 7,074,831.66

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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.