Home / 12,382,659.40-17,088,123.63-6,876,017.41

Finding the Fourth Proportional to 12,382,659.40, 17,088,123.63 and 6,876,017.41

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Solution

The fourth proportional to 12,382,659.40, 17,088,123.63 and 6,876,017.41 is: 9,488,933.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,659.40 : 17,088,123.63 = 6,876,017.41 : x
  2. Step 2: Convert to fraction form
    12,382,659.40/17,088,123.63 = 6,876,017.41/x
  3. Step 3: Cross multiply
    12,382,659.40x = 17,088,123.63 × 6,876,017.41
  4. Step 4: Simplify right side
    12,382,659.40x = 117,498,235,584,112.39
  5. Step 5: Solve for x
    x = 117,498,235,584,112.39/12,382,659.40
  6. Step 6: Final answer
    x = 9,488,933.82

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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.