Home / 20,230,981.60-30,335,974.80-7,444,904.80

Finding the Fourth Proportional to 20,230,981.60, 30,335,974.80 and 7,444,904.80

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Solution

The fourth proportional to 20,230,981.60, 30,335,974.80 and 7,444,904.80 is: 11,163,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230,981.60 : 30,335,974.80 = 7,444,904.80 : x
  2. Step 2: Convert to fraction form
    20,230,981.60/30,335,974.80 = 7,444,904.80/x
  3. Step 3: Cross multiply
    20,230,981.60x = 30,335,974.80 × 7,444,904.80
  4. Step 4: Simplify right side
    20,230,981.60x = 225,848,444,401,199.03
  5. Step 5: Solve for x
    x = 225,848,444,401,199.03/20,230,981.60
  6. Step 6: Final answer
    x = 11,163,494.13

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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.