Home / 15,037,280.16-20,750,890.72-8,161,615.04

Finding the Fourth Proportional to 15,037,280.16, 20,750,890.72 and 8,161,615.04

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Solution

The fourth proportional to 15,037,280.16, 20,750,890.72 and 8,161,615.04 is: 11,262,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,280.16 : 20,750,890.72 = 8,161,615.04 : x
  2. Step 2: Convert to fraction form
    15,037,280.16/20,750,890.72 = 8,161,615.04/x
  3. Step 3: Cross multiply
    15,037,280.16x = 20,750,890.72 × 8,161,615.04
  4. Step 4: Simplify right side
    15,037,280.16x = 169,360,781,793,748.41
  5. Step 5: Solve for x
    x = 169,360,781,793,748.41/15,037,280.16
  6. Step 6: Final answer
    x = 11,262,727.04

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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.