Home / 20,130,029.90-30,195,044.85-4,983,961.58

Finding the Fourth Proportional to 20,130,029.90, 30,195,044.85 and 4,983,961.58

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Solution

The fourth proportional to 20,130,029.90, 30,195,044.85 and 4,983,961.58 is: 7,475,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,029.90 : 30,195,044.85 = 4,983,961.58 : x
  2. Step 2: Convert to fraction form
    20,130,029.90/30,195,044.85 = 4,983,961.58/x
  3. Step 3: Cross multiply
    20,130,029.90x = 30,195,044.85 × 4,983,961.58
  4. Step 4: Simplify right side
    20,130,029.90x = 150,490,943,438,776.88
  5. Step 5: Solve for x
    x = 150,490,943,438,776.88/20,130,029.90
  6. Step 6: Final answer
    x = 7,475,942.37

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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.