Home / 18,266,625.15-25,202,011.53-12,455,317.80

Finding the Fourth Proportional to 18,266,625.15, 25,202,011.53 and 12,455,317.80

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Solution

The fourth proportional to 18,266,625.15, 25,202,011.53 and 12,455,317.80 is: 17,184,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266,625.15 : 25,202,011.53 = 12,455,317.80 : x
  2. Step 2: Convert to fraction form
    18,266,625.15/25,202,011.53 = 12,455,317.80/x
  3. Step 3: Cross multiply
    18,266,625.15x = 25,202,011.53 × 12,455,317.80
  4. Step 4: Simplify right side
    18,266,625.15x = 313,899,062,805,414.25
  5. Step 5: Solve for x
    x = 313,899,062,805,414.25/18,266,625.15
  6. Step 6: Final answer
    x = 17,184,294.32

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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.