Home / 20,130,029.40-30,195,044.10-4,983,961.08

Finding the Fourth Proportional to 20,130,029.40, 30,195,044.10 and 4,983,961.08

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Solution

The fourth proportional to 20,130,029.40, 30,195,044.10 and 4,983,961.08 is: 7,475,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,029.40 : 30,195,044.10 = 4,983,961.08 : x
  2. Step 2: Convert to fraction form
    20,130,029.40/30,195,044.10 = 4,983,961.08/x
  3. Step 3: Cross multiply
    20,130,029.40x = 30,195,044.10 × 4,983,961.08
  4. Step 4: Simplify right side
    20,130,029.40x = 150,490,924,603,283.62
  5. Step 5: Solve for x
    x = 150,490,924,603,283.62/20,130,029.40
  6. Step 6: Final answer
    x = 7,475,941.62

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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.