Home / 20,197,811.30-30,307,214.55-8,839,408.10

Finding the Fourth Proportional to 20,197,811.30, 30,307,214.55 and 8,839,408.10

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Solution

The fourth proportional to 20,197,811.30, 30,307,214.55 and 8,839,408.10 is: 13,263,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,811.30 : 30,307,214.55 = 8,839,408.10 : x
  2. Step 2: Convert to fraction form
    20,197,811.30/30,307,214.55 = 8,839,408.10/x
  3. Step 3: Cross multiply
    20,197,811.30x = 30,307,214.55 × 8,839,408.10
  4. Step 4: Simplify right side
    20,197,811.30x = 267,897,837,781,707.84
  5. Step 5: Solve for x
    x = 267,897,837,781,707.84/20,197,811.30
  6. Step 6: Final answer
    x = 13,263,706.34

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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.