Home / 12,766,215.92-17,617,357.86-6,964,998.17

Finding the Fourth Proportional to 12,766,215.92, 17,617,357.86 and 6,964,998.17

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Solution

The fourth proportional to 12,766,215.92, 17,617,357.86 and 6,964,998.17 is: 9,611,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,215.92 : 17,617,357.86 = 6,964,998.17 : x
  2. Step 2: Convert to fraction form
    12,766,215.92/17,617,357.86 = 6,964,998.17/x
  3. Step 3: Cross multiply
    12,766,215.92x = 17,617,357.86 × 6,964,998.17
  4. Step 4: Simplify right side
    12,766,215.92x = 122,704,865,255,135.11
  5. Step 5: Solve for x
    x = 122,704,865,255,135.11/12,766,215.92
  6. Step 6: Final answer
    x = 9,611,686.50

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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.