Home / 9,272,856.40-13,890,622.20-6,436,171.60

Finding the Fourth Proportional to 9,272,856.40, 13,890,622.20 and 6,436,171.60

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Solution

The fourth proportional to 9,272,856.40, 13,890,622.20 and 6,436,171.60 is: 9,641,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272,856.40 : 13,890,622.20 = 6,436,171.60 : x
  2. Step 2: Convert to fraction form
    9,272,856.40/13,890,622.20 = 6,436,171.60/x
  3. Step 3: Cross multiply
    9,272,856.40x = 13,890,622.20 × 6,436,171.60
  4. Step 4: Simplify right side
    9,272,856.40x = 89,402,428,109,969.52
  5. Step 5: Solve for x
    x = 89,402,428,109,969.52/9,272,856.40
  6. Step 6: Final answer
    x = 9,641,304.07

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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.