Home / 12,011,489.10-18,017,233.65-11,899,514.70

Finding the Fourth Proportional to 12,011,489.10, 18,017,233.65 and 11,899,514.70

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Solution

The fourth proportional to 12,011,489.10, 18,017,233.65 and 11,899,514.70 is: 17,849,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,489.10 : 18,017,233.65 = 11,899,514.70 : x
  2. Step 2: Convert to fraction form
    12,011,489.10/18,017,233.65 = 11,899,514.70/x
  3. Step 3: Cross multiply
    12,011,489.10x = 18,017,233.65 × 11,899,514.70
  4. Step 4: Simplify right side
    12,011,489.10x = 214,396,336,671,509.62
  5. Step 5: Solve for x
    x = 214,396,336,671,509.62/12,011,489.10
  6. Step 6: Final answer
    x = 17,849,272.05

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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.