Home / 12,715,831.38-17,547,313.14-7,209,576.66

Finding the Fourth Proportional to 12,715,831.38, 17,547,313.14 and 7,209,576.66

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Solution

The fourth proportional to 12,715,831.38, 17,547,313.14 and 7,209,576.66 is: 9,948,912.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,831.38 : 17,547,313.14 = 7,209,576.66 : x
  2. Step 2: Convert to fraction form
    12,715,831.38/17,547,313.14 = 7,209,576.66/x
  3. Step 3: Cross multiply
    12,715,831.38x = 17,547,313.14 × 7,209,576.66
  4. Step 4: Simplify right side
    12,715,831.38x = 126,508,699,259,855.31
  5. Step 5: Solve for x
    x = 126,508,699,259,855.31/12,715,831.38
  6. Step 6: Final answer
    x = 9,948,912.93

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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.