Home / 20,617,567.12-30,926,153.76-12,532,774.96

Finding the Fourth Proportional to 20,617,567.12, 30,926,153.76 and 12,532,774.96

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Solution

The fourth proportional to 20,617,567.12, 30,926,153.76 and 12,532,774.96 is: 18,799,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,567.12 : 30,926,153.76 = 12,532,774.96 : x
  2. Step 2: Convert to fraction form
    20,617,567.12/30,926,153.76 = 12,532,774.96/x
  3. Step 3: Cross multiply
    20,617,567.12x = 30,926,153.76 × 12,532,774.96
  4. Step 4: Simplify right side
    20,617,567.12x = 387,590,525,452,437.88
  5. Step 5: Solve for x
    x = 387,590,525,452,437.88/20,617,567.12
  6. Step 6: Final answer
    x = 18,799,042.74

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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.