Home / 7,262,438.81-10,891,112.13-2,143,502.87

Finding the Fourth Proportional to 7,262,438.81, 10,891,112.13 and 2,143,502.87

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Solution

The fourth proportional to 7,262,438.81, 10,891,112.13 and 2,143,502.87 is: 3,214,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262,438.81 : 10,891,112.13 = 2,143,502.87 : x
  2. Step 2: Convert to fraction form
    7,262,438.81/10,891,112.13 = 2,143,502.87/x
  3. Step 3: Cross multiply
    7,262,438.81x = 10,891,112.13 × 2,143,502.87
  4. Step 4: Simplify right side
    7,262,438.81x = 23,345,130,053,691.26
  5. Step 5: Solve for x
    x = 23,345,130,053,691.26/7,262,438.81
  6. Step 6: Final answer
    x = 3,214,502.82

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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.