Home / 7,974,501.20-11,961,921.24-2,857,264.40

Finding the Fourth Proportional to 7,974,501.20, 11,961,921.24 and 2,857,264.40

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Solution

The fourth proportional to 7,974,501.20, 11,961,921.24 and 2,857,264.40 is: 4,285,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,501.20 : 11,961,921.24 = 2,857,264.40 : x
  2. Step 2: Convert to fraction form
    7,974,501.20/11,961,921.24 = 2,857,264.40/x
  3. Step 3: Cross multiply
    7,974,501.20x = 11,961,921.24 × 2,857,264.40
  4. Step 4: Simplify right side
    7,974,501.20x = 34,178,371,714,655.86
  5. Step 5: Solve for x
    x = 34,178,371,714,655.86/7,974,501.20
  6. Step 6: Final answer
    x = 4,285,957.31

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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.