Home / 10,022,700.75-13,831,336.08-5,439,022.17

Finding the Fourth Proportional to 10,022,700.75, 13,831,336.08 and 5,439,022.17

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Solution

The fourth proportional to 10,022,700.75, 13,831,336.08 and 5,439,022.17 is: 7,505,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,700.75 : 13,831,336.08 = 5,439,022.17 : x
  2. Step 2: Convert to fraction form
    10,022,700.75/13,831,336.08 = 5,439,022.17/x
  3. Step 3: Cross multiply
    10,022,700.75x = 13,831,336.08 × 5,439,022.17
  4. Step 4: Simplify right side
    10,022,700.75x = 75,228,943,579,840.89
  5. Step 5: Solve for x
    x = 75,228,943,579,840.89/10,022,700.75
  6. Step 6: Final answer
    x = 7,505,855.50

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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.