Home / 8,541,822.40-12,809,623.20-4,280,574.40

Finding the Fourth Proportional to 8,541,822.40, 12,809,623.20 and 4,280,574.40

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Solution

The fourth proportional to 8,541,822.40, 12,809,623.20 and 4,280,574.40 is: 6,419,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541,822.40 : 12,809,623.20 = 4,280,574.40 : x
  2. Step 2: Convert to fraction form
    8,541,822.40/12,809,623.20 = 4,280,574.40/x
  3. Step 3: Cross multiply
    8,541,822.40x = 12,809,623.20 × 4,280,574.40
  4. Step 4: Simplify right side
    8,541,822.40x = 54,832,545,143,566.08
  5. Step 5: Solve for x
    x = 54,832,545,143,566.08/8,541,822.40
  6. Step 6: Final answer
    x = 6,419,302.88

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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.