Home / 7,498,672.20-11,248,008.30-1,818,887.40

Finding the Fourth Proportional to 7,498,672.20, 11,248,008.30 and 1,818,887.40

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Solution

The fourth proportional to 7,498,672.20, 11,248,008.30 and 1,818,887.40 is: 2,728,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498,672.20 : 11,248,008.30 = 1,818,887.40 : x
  2. Step 2: Convert to fraction form
    7,498,672.20/11,248,008.30 = 1,818,887.40/x
  3. Step 3: Cross multiply
    7,498,672.20x = 11,248,008.30 × 1,818,887.40
  4. Step 4: Simplify right side
    7,498,672.20x = 20,458,860,571,965.42
  5. Step 5: Solve for x
    x = 20,458,860,571,965.42/7,498,672.20
  6. Step 6: Final answer
    x = 2,728,331.10

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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.