Home / 10,989,371.81-16,486,438.20-3,312,374.46

Finding the Fourth Proportional to 10,989,371.81, 16,486,438.20 and 3,312,374.46

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Solution

The fourth proportional to 10,989,371.81, 16,486,438.20 and 3,312,374.46 is: 4,969,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989,371.81 : 16,486,438.20 = 3,312,374.46 : x
  2. Step 2: Convert to fraction form
    10,989,371.81/16,486,438.20 = 3,312,374.46/x
  3. Step 3: Cross multiply
    10,989,371.81x = 16,486,438.20 × 3,312,374.46
  4. Step 4: Simplify right side
    10,989,371.81x = 54,609,256,857,856.75
  5. Step 5: Solve for x
    x = 54,609,256,857,856.75/10,989,371.81
  6. Step 6: Final answer
    x = 4,969,279.21

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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.