Home / 18,154,609.30-27,200,421.15-11,761,570.90

Finding the Fourth Proportional to 18,154,609.30, 27,200,421.15 and 11,761,570.90

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Solution

The fourth proportional to 18,154,609.30, 27,200,421.15 and 11,761,570.90 is: 17,621,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154,609.30 : 27,200,421.15 = 11,761,570.90 : x
  2. Step 2: Convert to fraction form
    18,154,609.30/27,200,421.15 = 11,761,570.90/x
  3. Step 3: Cross multiply
    18,154,609.30x = 27,200,421.15 × 11,761,570.90
  4. Step 4: Simplify right side
    18,154,609.30x = 319,919,681,865,584.50
  5. Step 5: Solve for x
    x = 319,919,681,865,584.50/18,154,609.30
  6. Step 6: Final answer
    x = 17,621,953.55

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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.