Home / 12,075,904.20-18,113,856.30-8,044,825.80

Finding the Fourth Proportional to 12,075,904.20, 18,113,856.30 and 8,044,825.80

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Solution

The fourth proportional to 12,075,904.20, 18,113,856.30 and 8,044,825.80 is: 12,067,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,904.20 : 18,113,856.30 = 8,044,825.80 : x
  2. Step 2: Convert to fraction form
    12,075,904.20/18,113,856.30 = 8,044,825.80/x
  3. Step 3: Cross multiply
    12,075,904.20x = 18,113,856.30 × 8,044,825.80
  4. Step 4: Simplify right side
    12,075,904.20x = 145,722,818,499,732.53
  5. Step 5: Solve for x
    x = 145,722,818,499,732.53/12,075,904.20
  6. Step 6: Final answer
    x = 12,067,238.70

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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.