Home / 13,250,559.12-18,285,661.56-7,449,366.64

Finding the Fourth Proportional to 13,250,559.12, 18,285,661.56 and 7,449,366.64

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Solution

The fourth proportional to 13,250,559.12, 18,285,661.56 and 7,449,366.64 is: 10,280,064.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,559.12 : 18,285,661.56 = 7,449,366.64 : x
  2. Step 2: Convert to fraction form
    13,250,559.12/18,285,661.56 = 7,449,366.64/x
  3. Step 3: Cross multiply
    13,250,559.12x = 18,285,661.56 × 7,449,366.64
  4. Step 4: Simplify right side
    13,250,559.12x = 136,216,597,215,394.34
  5. Step 5: Solve for x
    x = 136,216,597,215,394.34/13,250,559.12
  6. Step 6: Final answer
    x = 10,280,064.11

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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.