Home / 10,245,605.55-15,386,123.03-5,462,636.55

Finding the Fourth Proportional to 10,245,605.55, 15,386,123.03 and 5,462,636.55

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Solution

The fourth proportional to 10,245,605.55, 15,386,123.03 and 5,462,636.55 is: 8,203,399.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245,605.55 : 15,386,123.03 = 5,462,636.55 : x
  2. Step 2: Convert to fraction form
    10,245,605.55/15,386,123.03 = 5,462,636.55/x
  3. Step 3: Cross multiply
    10,245,605.55x = 15,386,123.03 × 5,462,636.55
  4. Step 4: Simplify right side
    10,245,605.55x = 84,048,797,999,161.56
  5. Step 5: Solve for x
    x = 84,048,797,999,161.56/10,245,605.55
  6. Step 6: Final answer
    x = 8,203,399.75

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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.