Home / 13,210,531.80-19,815,797.70-12,094,505.70

Finding the Fourth Proportional to 13,210,531.80, 19,815,797.70 and 12,094,505.70

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Solution

The fourth proportional to 13,210,531.80, 19,815,797.70 and 12,094,505.70 is: 18,141,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,531.80 : 19,815,797.70 = 12,094,505.70 : x
  2. Step 2: Convert to fraction form
    13,210,531.80/19,815,797.70 = 12,094,505.70/x
  3. Step 3: Cross multiply
    13,210,531.80x = 19,815,797.70 × 12,094,505.70
  4. Step 4: Simplify right side
    13,210,531.80x = 239,662,278,232,696.88
  5. Step 5: Solve for x
    x = 239,662,278,232,696.88/13,210,531.80
  6. Step 6: Final answer
    x = 18,141,758.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.