Home / 20,617,567.62-30,926,154.51-12,532,775.46

Finding the Fourth Proportional to 20,617,567.62, 30,926,154.51 and 12,532,775.46

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Solution

The fourth proportional to 20,617,567.62, 30,926,154.51 and 12,532,775.46 is: 18,799,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617,567.62 : 30,926,154.51 = 12,532,775.46 : x
  2. Step 2: Convert to fraction form
    20,617,567.62/30,926,154.51 = 12,532,775.46/x
  3. Step 3: Cross multiply
    20,617,567.62x = 30,926,154.51 × 12,532,775.46
  4. Step 4: Simplify right side
    20,617,567.62x = 387,590,550,315,096.38
  5. Step 5: Solve for x
    x = 387,590,550,315,096.38/20,617,567.62
  6. Step 6: Final answer
    x = 18,799,043.49

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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.