Home / 15,081,276.35-20,811,548.50-8,554,765.72

Finding the Fourth Proportional to 15,081,276.35, 20,811,548.50 and 8,554,765.72

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Solution

The fourth proportional to 15,081,276.35, 20,811,548.50 and 8,554,765.72 is: 11,805,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081,276.35 : 20,811,548.50 = 8,554,765.72 : x
  2. Step 2: Convert to fraction form
    15,081,276.35/20,811,548.50 = 8,554,765.72/x
  3. Step 3: Cross multiply
    15,081,276.35x = 20,811,548.50 × 8,554,765.72
  4. Step 4: Simplify right side
    15,081,276.35x = 178,037,921,594,990.81
  5. Step 5: Solve for x
    x = 178,037,921,594,990.81/15,081,276.35
  6. Step 6: Final answer
    x = 11,805,229.05

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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.