Home / 20,604,479.80-30,906,719.70-5,251,739.80

Finding the Fourth Proportional to 20,604,479.80, 30,906,719.70 and 5,251,739.80

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Solution

The fourth proportional to 20,604,479.80, 30,906,719.70 and 5,251,739.80 is: 7,877,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604,479.80 : 30,906,719.70 = 5,251,739.80 : x
  2. Step 2: Convert to fraction form
    20,604,479.80/30,906,719.70 = 5,251,739.80/x
  3. Step 3: Cross multiply
    20,604,479.80x = 30,906,719.70 × 5,251,739.80
  4. Step 4: Simplify right side
    20,604,479.80x = 162,314,049,935,934.06
  5. Step 5: Solve for x
    x = 162,314,049,935,934.06/20,604,479.80
  6. Step 6: Final answer
    x = 7,877,609.70

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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.