Home / 10,269,743.76-14,172,689.21-5,686,065

Finding the Fourth Proportional to 10,269,743.76, 14,172,689.21 and 5,686,065

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Solution

The fourth proportional to 10,269,743.76, 14,172,689.21 and 5,686,065 is: 7,847,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269,743.76 : 14,172,689.21 = 5,686,065 : x
  2. Step 2: Convert to fraction form
    10,269,743.76/14,172,689.21 = 5,686,065/x
  3. Step 3: Cross multiply
    10,269,743.76x = 14,172,689.21 × 5,686,065
  4. Step 4: Simplify right side
    10,269,743.76x = 80,586,832,044,428.33
  5. Step 5: Solve for x
    x = 80,586,832,044,428.33/10,269,743.76
  6. Step 6: Final answer
    x = 7,847,014.87

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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.