Home / 28,030,449.60-42,037,801.20-8,867,080.80

Finding the Fourth Proportional to 28,030,449.60, 42,037,801.20 and 8,867,080.80

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Solution

The fourth proportional to 28,030,449.60, 42,037,801.20 and 8,867,080.80 is: 13,298,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030,449.60 : 42,037,801.20 = 8,867,080.80 : x
  2. Step 2: Convert to fraction form
    28,030,449.60/42,037,801.20 = 8,867,080.80/x
  3. Step 3: Cross multiply
    28,030,449.60x = 42,037,801.20 × 8,867,080.80
  4. Step 4: Simplify right side
    28,030,449.60x = 372,752,579,894,737
  5. Step 5: Solve for x
    x = 372,752,579,894,737/28,030,449.60
  6. Step 6: Final answer
    x = 13,298,130.61

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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.