Home / 10,290,631.28-15,437,625.44-4,223,734.72

Finding the Fourth Proportional to 10,290,631.28, 15,437,625.44 and 4,223,734.72

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Solution

The fourth proportional to 10,290,631.28, 15,437,625.44 and 4,223,734.72 is: 6,336,291.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,631.28 : 15,437,625.44 = 4,223,734.72 : x
  2. Step 2: Convert to fraction form
    10,290,631.28/15,437,625.44 = 4,223,734.72/x
  3. Step 3: Cross multiply
    10,290,631.28x = 15,437,625.44 × 4,223,734.72
  4. Step 4: Simplify right side
    10,290,631.28x = 65,204,434,466,976.48
  5. Step 5: Solve for x
    x = 65,204,434,466,976.48/10,290,631.28
  6. Step 6: Final answer
    x = 6,336,291.01

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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.