Home / 10,022,689.36-13,831,320.36-5,439,010.78

Finding the Fourth Proportional to 10,022,689.36, 13,831,320.36 and 5,439,010.78

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Solution

The fourth proportional to 10,022,689.36, 13,831,320.36 and 5,439,010.78 is: 7,505,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,689.36 : 13,831,320.36 = 5,439,010.78 : x
  2. Step 2: Convert to fraction form
    10,022,689.36/13,831,320.36 = 5,439,010.78/x
  3. Step 3: Cross multiply
    10,022,689.36x = 13,831,320.36 × 5,439,010.78
  4. Step 4: Simplify right side
    10,022,689.36x = 75,228,700,539,673.48
  5. Step 5: Solve for x
    x = 75,228,700,539,673.48/10,022,689.36
  6. Step 6: Final answer
    x = 7,505,839.78

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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.