Home / 7,990,394.71-11,994,121.35-3,443,687.32

Finding the Fourth Proportional to 7,990,394.71, 11,994,121.35 and 3,443,687.32

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Solution

The fourth proportional to 7,990,394.71, 11,994,121.35 and 3,443,687.32 is: 5,169,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,394.71 : 11,994,121.35 = 3,443,687.32 : x
  2. Step 2: Convert to fraction form
    7,990,394.71/11,994,121.35 = 3,443,687.32/x
  3. Step 3: Cross multiply
    7,990,394.71x = 11,994,121.35 × 3,443,687.32
  4. Step 4: Simplify right side
    7,990,394.71x = 41,304,003,547,565.67
  5. Step 5: Solve for x
    x = 41,304,003,547,565.67/7,990,394.71
  6. Step 6: Final answer
    x = 5,169,206.91

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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.