Home / 20,067,070.60-30,100,605.90-4,921,002.10

Finding the Fourth Proportional to 20,067,070.60, 30,100,605.90 and 4,921,002.10

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Solution

The fourth proportional to 20,067,070.60, 30,100,605.90 and 4,921,002.10 is: 7,381,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067,070.60 : 30,100,605.90 = 4,921,002.10 : x
  2. Step 2: Convert to fraction form
    20,067,070.60/30,100,605.90 = 4,921,002.10/x
  3. Step 3: Cross multiply
    20,067,070.60x = 30,100,605.90 × 4,921,002.10
  4. Step 4: Simplify right side
    20,067,070.60x = 148,125,144,845,172.38
  5. Step 5: Solve for x
    x = 148,125,144,845,172.38/20,067,070.60
  6. Step 6: Final answer
    x = 7,381,503.15

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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.