Home / 8,672,162.10-13,002,994.35-3,878,957.94

Finding the Fourth Proportional to 8,672,162.10, 13,002,994.35 and 3,878,957.94

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Solution

The fourth proportional to 8,672,162.10, 13,002,994.35 and 3,878,957.94 is: 5,816,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,672,162.10 : 13,002,994.35 = 3,878,957.94 : x
  2. Step 2: Convert to fraction form
    8,672,162.10/13,002,994.35 = 3,878,957.94/x
  3. Step 3: Cross multiply
    8,672,162.10x = 13,002,994.35 × 3,878,957.94
  4. Step 4: Simplify right side
    8,672,162.10x = 50,438,068,177,707.64
  5. Step 5: Solve for x
    x = 50,438,068,177,707.64/8,672,162.10
  6. Step 6: Final answer
    x = 5,816,089.18

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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.