Home / 8,428,803.04-12,641,921.28-2,749,018.24

Finding the Fourth Proportional to 8,428,803.04, 12,641,921.28 and 2,749,018.24

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Solution

The fourth proportional to 8,428,803.04, 12,641,921.28 and 2,749,018.24 is: 4,123,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,803.04 : 12,641,921.28 = 2,749,018.24 : x
  2. Step 2: Convert to fraction form
    8,428,803.04/12,641,921.28 = 2,749,018.24/x
  3. Step 3: Cross multiply
    8,428,803.04x = 12,641,921.28 × 2,749,018.24
  4. Step 4: Simplify right side
    8,428,803.04x = 34,752,872,187,364.15
  5. Step 5: Solve for x
    x = 34,752,872,187,364.15/8,428,803.04
  6. Step 6: Final answer
    x = 4,123,108.82

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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.