Home / 10,388,387.79-15,584,256.11-3,199,914.71

Finding the Fourth Proportional to 10,388,387.79, 15,584,256.11 and 3,199,914.71

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Solution

The fourth proportional to 10,388,387.79, 15,584,256.11 and 3,199,914.71 is: 4,800,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388,387.79 : 15,584,256.11 = 3,199,914.71 : x
  2. Step 2: Convert to fraction form
    10,388,387.79/15,584,256.11 = 3,199,914.71/x
  3. Step 3: Cross multiply
    10,388,387.79x = 15,584,256.11 × 3,199,914.71
  4. Step 4: Simplify right side
    10,388,387.79x = 49,868,290,417,756.80
  5. Step 5: Solve for x
    x = 49,868,290,417,756.80/10,388,387.79
  6. Step 6: Final answer
    x = 4,800,387.84

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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.