Home / 10,438,440.85-15,652,538.65-4,289,308.55

Finding the Fourth Proportional to 10,438,440.85, 15,652,538.65 and 4,289,308.55

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Solution

The fourth proportional to 10,438,440.85, 15,652,538.65 and 4,289,308.55 is: 6,431,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438,440.85 : 15,652,538.65 = 4,289,308.55 : x
  2. Step 2: Convert to fraction form
    10,438,440.85/15,652,538.65 = 4,289,308.55/x
  3. Step 3: Cross multiply
    10,438,440.85x = 15,652,538.65 × 4,289,308.55
  4. Step 4: Simplify right side
    10,438,440.85x = 67,138,567,860,650.45
  5. Step 5: Solve for x
    x = 67,138,567,860,650.45/10,438,440.85
  6. Step 6: Final answer
    x = 6,431,857.86

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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.