Home / 12,621,044.28-18,931,566.57-3,036,422.61

Finding the Fourth Proportional to 12,621,044.28, 18,931,566.57 and 3,036,422.61

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Solution

The fourth proportional to 12,621,044.28, 18,931,566.57 and 3,036,422.61 is: 4,554,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,044.28 : 18,931,566.57 = 3,036,422.61 : x
  2. Step 2: Convert to fraction form
    12,621,044.28/18,931,566.57 = 3,036,422.61/x
  3. Step 3: Cross multiply
    12,621,044.28x = 18,931,566.57 × 3,036,422.61
  4. Step 4: Simplify right side
    12,621,044.28x = 57,484,236,775,868.15
  5. Step 5: Solve for x
    x = 57,484,236,775,868.15/12,621,044.28
  6. Step 6: Final answer
    x = 4,554,633.95

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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.