Home / 9,781,787.28-13,498,242-5,430,872.52

Finding the Fourth Proportional to 9,781,787.28, 13,498,242 and 5,430,872.52

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Solution

The fourth proportional to 9,781,787.28, 13,498,242 and 5,430,872.52 is: 7,494,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,787.28 : 13,498,242 = 5,430,872.52 : x
  2. Step 2: Convert to fraction form
    9,781,787.28/13,498,242 = 5,430,872.52/x
  3. Step 3: Cross multiply
    9,781,787.28x = 13,498,242 × 5,430,872.52
  4. Step 4: Simplify right side
    9,781,787.28x = 73,307,231,546,109.83
  5. Step 5: Solve for x
    x = 73,307,231,546,109.83/9,781,787.28
  6. Step 6: Final answer
    x = 7,494,257.38

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1.5x scale

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.