Home / 20,483,734.80-30,730,178.20-7,704,349.20

Finding the Fourth Proportional to 20,483,734.80, 30,730,178.20 and 7,704,349.20

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Solution

The fourth proportional to 20,483,734.80, 30,730,178.20 and 7,704,349.20 is: 11,558,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,734.80 : 30,730,178.20 = 7,704,349.20 : x
  2. Step 2: Convert to fraction form
    20,483,734.80/30,730,178.20 = 7,704,349.20/x
  3. Step 3: Cross multiply
    20,483,734.80x = 30,730,178.20 × 7,704,349.20
  4. Step 4: Simplify right side
    20,483,734.80x = 236,756,023,831,027.44
  5. Step 5: Solve for x
    x = 236,756,023,831,027.44/20,483,734.80
  6. Step 6: Final answer
    x = 11,558,244.93

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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.