Home / 12,236,482.18-18,338,189.10-4,659,314.50

Finding the Fourth Proportional to 12,236,482.18, 18,338,189.10 and 4,659,314.50

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Solution

The fourth proportional to 12,236,482.18, 18,338,189.10 and 4,659,314.50 is: 6,982,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,482.18 : 18,338,189.10 = 4,659,314.50 : x
  2. Step 2: Convert to fraction form
    12,236,482.18/18,338,189.10 = 4,659,314.50/x
  3. Step 3: Cross multiply
    12,236,482.18x = 18,338,189.10 × 4,659,314.50
  4. Step 4: Simplify right side
    12,236,482.18x = 85,443,390,377,371.95
  5. Step 5: Solve for x
    x = 85,443,390,377,371.95/12,236,482.18
  6. Step 6: Final answer
    x = 6,982,675.99

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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.