Home / 20,067,053.10-30,100,579.65-4,920,984.60

Finding the Fourth Proportional to 20,067,053.10, 30,100,579.65 and 4,920,984.60

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Solution

The fourth proportional to 20,067,053.10, 30,100,579.65 and 4,920,984.60 is: 7,381,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067,053.10 : 30,100,579.65 = 4,920,984.60 : x
  2. Step 2: Convert to fraction form
    20,067,053.10/30,100,579.65 = 4,920,984.60/x
  3. Step 3: Cross multiply
    20,067,053.10x = 30,100,579.65 × 4,920,984.60
  4. Step 4: Simplify right side
    20,067,053.10x = 148,124,488,908,723.38
  5. Step 5: Solve for x
    x = 148,124,488,908,723.38/20,067,053.10
  6. Step 6: Final answer
    x = 7,381,476.90

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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.