Home / 7,209,025.20-10,819,661.40-2,952,248.40

Finding the Fourth Proportional to 7,209,025.20, 10,819,661.40 and 2,952,248.40

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Solution

The fourth proportional to 7,209,025.20, 10,819,661.40 and 2,952,248.40 is: 4,430,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,025.20 : 10,819,661.40 = 2,952,248.40 : x
  2. Step 2: Convert to fraction form
    7,209,025.20/10,819,661.40 = 2,952,248.40/x
  3. Step 3: Cross multiply
    7,209,025.20x = 10,819,661.40 × 2,952,248.40
  4. Step 4: Simplify right side
    7,209,025.20x = 31,942,328,056,691.76
  5. Step 5: Solve for x
    x = 31,942,328,056,691.76/7,209,025.20
  6. Step 6: Final answer
    x = 4,430,880.34

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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.