Home / 20,404,228.32-30,610,377.90-5,831,278.56

Finding the Fourth Proportional to 20,404,228.32, 30,610,377.90 and 5,831,278.56

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Solution

The fourth proportional to 20,404,228.32, 30,610,377.90 and 5,831,278.56 is: 8,748,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404,228.32 : 30,610,377.90 = 5,831,278.56 : x
  2. Step 2: Convert to fraction form
    20,404,228.32/30,610,377.90 = 5,831,278.56/x
  3. Step 3: Cross multiply
    20,404,228.32x = 30,610,377.90 × 5,831,278.56
  4. Step 4: Simplify right side
    20,404,228.32x = 178,497,640,361,767.81
  5. Step 5: Solve for x
    x = 178,497,640,361,767.81/20,404,228.32
  6. Step 6: Final answer
    x = 8,748,071.11

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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.