Home / 12,786,910.20-17,646,282.96-7,633,264.08

Finding the Fourth Proportional to 12,786,910.20, 17,646,282.96 and 7,633,264.08

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Solution

The fourth proportional to 12,786,910.20, 17,646,282.96 and 7,633,264.08 is: 10,534,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,910.20 : 17,646,282.96 = 7,633,264.08 : x
  2. Step 2: Convert to fraction form
    12,786,910.20/17,646,282.96 = 7,633,264.08/x
  3. Step 3: Cross multiply
    12,786,910.20x = 17,646,282.96 × 7,633,264.08
  4. Step 4: Simplify right side
    12,786,910.20x = 134,698,737,864,084.08
  5. Step 5: Solve for x
    x = 134,698,737,864,084.08/12,786,910.20
  6. Step 6: Final answer
    x = 10,534,111.51

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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.