Home / 20,617,566.62-30,926,153.01-12,532,774.46

Finding the Fourth Proportional to 20,617,566.62, 30,926,153.01 and 12,532,774.46

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Solution

The fourth proportional to 20,617,566.62, 30,926,153.01 and 12,532,774.46 is: 18,799,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,566.62 : 30,926,153.01 = 12,532,774.46 : x
  2. Step 2: Convert to fraction form
    20,617,566.62/30,926,153.01 = 12,532,774.46/x
  3. Step 3: Cross multiply
    20,617,566.62x = 30,926,153.01 × 12,532,774.46
  4. Step 4: Simplify right side
    20,617,566.62x = 387,590,500,589,780.19
  5. Step 5: Solve for x
    x = 387,590,500,589,780.19/20,617,566.62
  6. Step 6: Final answer
    x = 18,799,041.99

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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.