Home / 10,022,689.86-13,831,321.05-5,439,011.28

Finding the Fourth Proportional to 10,022,689.86, 13,831,321.05 and 5,439,011.28

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Solution

The fourth proportional to 10,022,689.86, 13,831,321.05 and 5,439,011.28 is: 7,505,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,689.86 : 13,831,321.05 = 5,439,011.28 : x
  2. Step 2: Convert to fraction form
    10,022,689.86/13,831,321.05 = 5,439,011.28/x
  3. Step 3: Cross multiply
    10,022,689.86x = 13,831,321.05 × 5,439,011.28
  4. Step 4: Simplify right side
    10,022,689.86x = 75,228,711,208,251.45
  5. Step 5: Solve for x
    x = 75,228,711,208,251.45/10,022,689.86
  6. Step 6: Final answer
    x = 7,505,840.47

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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.