Home / 18,452,555.10-27,678,832.65-8,865,621.90

Finding the Fourth Proportional to 18,452,555.10, 27,678,832.65 and 8,865,621.90

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Solution

The fourth proportional to 18,452,555.10, 27,678,832.65 and 8,865,621.90 is: 13,298,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,555.10 : 27,678,832.65 = 8,865,621.90 : x
  2. Step 2: Convert to fraction form
    18,452,555.10/27,678,832.65 = 8,865,621.90/x
  3. Step 3: Cross multiply
    18,452,555.10x = 27,678,832.65 × 8,865,621.90
  4. Step 4: Simplify right side
    18,452,555.10x = 245,390,064,908,275.03
  5. Step 5: Solve for x
    x = 245,390,064,908,275.03/18,452,555.10
  6. Step 6: Final answer
    x = 13,298,432.85

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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.