Home / 12,875,344.40-19,315,349.40-6,469,475.60

Finding the Fourth Proportional to 12,875,344.40, 19,315,349.40 and 6,469,475.60

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Solution

The fourth proportional to 12,875,344.40, 19,315,349.40 and 6,469,475.60 is: 9,705,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,344.40 : 19,315,349.40 = 6,469,475.60 : x
  2. Step 2: Convert to fraction form
    12,875,344.40/19,315,349.40 = 6,469,475.60/x
  3. Step 3: Cross multiply
    12,875,344.40x = 19,315,349.40 × 6,469,475.60
  4. Step 4: Simplify right side
    12,875,344.40x = 124,960,181,648,774.62
  5. Step 5: Solve for x
    x = 124,960,181,648,774.62/12,875,344.40
  6. Step 6: Final answer
    x = 9,705,385.56

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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.