Home / 10,438,441.60-15,652,539.78-4,289,309.30

Finding the Fourth Proportional to 10,438,441.60, 15,652,539.78 and 4,289,309.30

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Solution

The fourth proportional to 10,438,441.60, 15,652,539.78 and 4,289,309.30 is: 6,431,858.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438,441.60 : 15,652,539.78 = 4,289,309.30 : x
  2. Step 2: Convert to fraction form
    10,438,441.60/15,652,539.78 = 4,289,309.30/x
  3. Step 3: Cross multiply
    10,438,441.60x = 15,652,539.78 × 4,289,309.30
  4. Step 4: Simplify right side
    10,438,441.60x = 67,138,584,446,973.95
  5. Step 5: Solve for x
    x = 67,138,584,446,973.95/10,438,441.60
  6. Step 6: Final answer
    x = 6,431,858.99

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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.