Home / 12,245,315.90-16,892,881.88-7,895,799.38

Finding the Fourth Proportional to 12,245,315.90, 16,892,881.88 and 7,895,799.38

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Solution

The fourth proportional to 12,245,315.90, 16,892,881.88 and 7,895,799.38 is: 10,892,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245,315.90 : 16,892,881.88 = 7,895,799.38 : x
  2. Step 2: Convert to fraction form
    12,245,315.90/16,892,881.88 = 7,895,799.38/x
  3. Step 3: Cross multiply
    12,245,315.90x = 16,892,881.88 × 7,895,799.38
  4. Step 4: Simplify right side
    12,245,315.90x = 133,382,806,274,517.22
  5. Step 5: Solve for x
    x = 133,382,806,274,517.22/12,245,315.90
  6. Step 6: Final answer
    x = 10,892,557.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.