Home / 10,254,769.20-15,361,878.60-8,994,020.40

Finding the Fourth Proportional to 10,254,769.20, 15,361,878.60 and 8,994,020.40

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Solution

The fourth proportional to 10,254,769.20, 15,361,878.60 and 8,994,020.40 is: 13,473,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254,769.20 : 15,361,878.60 = 8,994,020.40 : x
  2. Step 2: Convert to fraction form
    10,254,769.20/15,361,878.60 = 8,994,020.40/x
  3. Step 3: Cross multiply
    10,254,769.20x = 15,361,878.60 × 8,994,020.40
  4. Step 4: Simplify right side
    10,254,769.20x = 138,165,049,510,723.44
  5. Step 5: Solve for x
    x = 138,165,049,510,723.44/10,254,769.20
  6. Step 6: Final answer
    x = 13,473,248.09

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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.