Home / 10,107,907.40-15,167,109.90-4,428,705.80

Finding the Fourth Proportional to 10,107,907.40, 15,167,109.90 and 4,428,705.80

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Solution

The fourth proportional to 10,107,907.40, 15,167,109.90 and 4,428,705.80 is: 6,645,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107,907.40 : 15,167,109.90 = 4,428,705.80 : x
  2. Step 2: Convert to fraction form
    10,107,907.40/15,167,109.90 = 4,428,705.80/x
  3. Step 3: Cross multiply
    10,107,907.40x = 15,167,109.90 × 4,428,705.80
  4. Step 4: Simplify right side
    10,107,907.40x = 67,170,667,583,367.42
  5. Step 5: Solve for x
    x = 67,170,667,583,367.42/10,107,907.40
  6. Step 6: Final answer
    x = 6,645,358.42

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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.