Home / 10,438,439.85-15,652,537.16-4,289,307.55

Finding the Fourth Proportional to 10,438,439.85, 15,652,537.16 and 4,289,307.55

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Solution

The fourth proportional to 10,438,439.85, 15,652,537.16 and 4,289,307.55 is: 6,431,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438,439.85 : 15,652,537.16 = 4,289,307.55 : x
  2. Step 2: Convert to fraction form
    10,438,439.85/15,652,537.16 = 4,289,307.55/x
  3. Step 3: Cross multiply
    10,438,439.85x = 15,652,537.16 × 4,289,307.55
  4. Step 4: Simplify right side
    10,438,439.85x = 67,138,545,795,597.02
  5. Step 5: Solve for x
    x = 67,138,545,795,597.02/10,438,439.85
  6. Step 6: Final answer
    x = 6,431,856.37

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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.