Home / 15,454,229.58-21,325,770-8,578,170.36

Finding the Fourth Proportional to 15,454,229.58, 21,325,770 and 8,578,170.36

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Solution

The fourth proportional to 15,454,229.58, 21,325,770 and 8,578,170.36 is: 11,837,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,454,229.58 : 21,325,770 = 8,578,170.36 : x
  2. Step 2: Convert to fraction form
    15,454,229.58/21,325,770 = 8,578,170.36/x
  3. Step 3: Cross multiply
    15,454,229.58x = 21,325,770 × 8,578,170.36
  4. Step 4: Simplify right side
    15,454,229.58x = 182,936,088,118,177.19
  5. Step 5: Solve for x
    x = 182,936,088,118,177.19/15,454,229.58
  6. Step 6: Final answer
    x = 11,837,282.94

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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.