Home / 10,022,622.57-13,831,219.25-5,438,943.94

Finding the Fourth Proportional to 10,022,622.57, 13,831,219.25 and 5,438,943.94

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Solution

The fourth proportional to 10,022,622.57, 13,831,219.25 and 5,438,943.94 is: 7,505,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,622.57 : 13,831,219.25 = 5,438,943.94 : x
  2. Step 2: Convert to fraction form
    10,022,622.57/13,831,219.25 = 5,438,943.94/x
  3. Step 3: Cross multiply
    10,022,622.57x = 13,831,219.25 × 5,438,943.94
  4. Step 4: Simplify right side
    10,022,622.57x = 75,227,226,122,598.84
  5. Step 5: Solve for x
    x = 75,227,226,122,598.84/10,022,622.57
  6. Step 6: Final answer
    x = 7,505,742.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.