Home / 20,851,298.70-31,254,138.45-7,381,193.10

Finding the Fourth Proportional to 20,851,298.70, 31,254,138.45 and 7,381,193.10

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Solution

The fourth proportional to 20,851,298.70, 31,254,138.45 and 7,381,193.10 is: 11,063,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,298.70 : 31,254,138.45 = 7,381,193.10 : x
  2. Step 2: Convert to fraction form
    20,851,298.70/31,254,138.45 = 7,381,193.10/x
  3. Step 3: Cross multiply
    20,851,298.70x = 31,254,138.45 × 7,381,193.10
  4. Step 4: Simplify right side
    20,851,298.70x = 230,692,831,073,584.69
  5. Step 5: Solve for x
    x = 230,692,831,073,584.69/20,851,298.70
  6. Step 6: Final answer
    x = 11,063,715.23

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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.