Home / 7,872,182.84-11,808,950.88-2,192,407.16

Finding the Fourth Proportional to 7,872,182.84, 11,808,950.88 and 2,192,407.16

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Solution

The fourth proportional to 7,872,182.84, 11,808,950.88 and 2,192,407.16 is: 3,288,799.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872,182.84 : 11,808,950.88 = 2,192,407.16 : x
  2. Step 2: Convert to fraction form
    7,872,182.84/11,808,950.88 = 2,192,407.16/x
  3. Step 3: Cross multiply
    7,872,182.84x = 11,808,950.88 × 2,192,407.16
  4. Step 4: Simplify right side
    7,872,182.84x = 25,890,028,461,400.30
  5. Step 5: Solve for x
    x = 25,890,028,461,400.30/7,872,182.84
  6. Step 6: Final answer
    x = 3,288,799.18

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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.