Home / 13,986,001.70-20,979,002.55-3,888,622.70

Finding the Fourth Proportional to 13,986,001.70, 20,979,002.55 and 3,888,622.70

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Solution

The fourth proportional to 13,986,001.70, 20,979,002.55 and 3,888,622.70 is: 5,832,934.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,001.70 : 20,979,002.55 = 3,888,622.70 : x
  2. Step 2: Convert to fraction form
    13,986,001.70/20,979,002.55 = 3,888,622.70/x
  3. Step 3: Cross multiply
    13,986,001.70x = 20,979,002.55 × 3,888,622.70
  4. Step 4: Simplify right side
    13,986,001.70x = 81,579,425,539,287.89
  5. Step 5: Solve for x
    x = 81,579,425,539,287.89/13,986,001.70
  6. Step 6: Final answer
    x = 5,832,934.05

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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.