Home / 12,168,252-18,270,321.12-6,787,415.52

Finding the Fourth Proportional to 12,168,252, 18,270,321.12 and 6,787,415.52

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Solution

The fourth proportional to 12,168,252, 18,270,321.12 and 6,787,415.52 is: 10,191,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,252 : 18,270,321.12 = 6,787,415.52 : x
  2. Step 2: Convert to fraction form
    12,168,252/18,270,321.12 = 6,787,415.52/x
  3. Step 3: Cross multiply
    12,168,252x = 18,270,321.12 × 6,787,415.52
  4. Step 4: Simplify right side
    12,168,252x = 124,008,261,125,271.78
  5. Step 5: Solve for x
    x = 124,008,261,125,271.78/12,168,252
  6. Step 6: Final answer
    x = 10,191,131.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.