Home / 8,917,872.80-13,376,809.20-6,417,111.20

Finding the Fourth Proportional to 8,917,872.80, 13,376,809.20 and 6,417,111.20

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Solution

The fourth proportional to 8,917,872.80, 13,376,809.20 and 6,417,111.20 is: 9,625,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,872.80 : 13,376,809.20 = 6,417,111.20 : x
  2. Step 2: Convert to fraction form
    8,917,872.80/13,376,809.20 = 6,417,111.20/x
  3. Step 3: Cross multiply
    8,917,872.80x = 13,376,809.20 × 6,417,111.20
  4. Step 4: Simplify right side
    8,917,872.80x = 85,840,472,137,583.03
  5. Step 5: Solve for x
    x = 85,840,472,137,583.03/8,917,872.80
  6. Step 6: Final answer
    x = 9,625,666.80

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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.