Home / 13,585,729.95-20,376,306.77-3,869,659.87

Finding the Fourth Proportional to 13,585,729.95, 20,376,306.77 and 3,869,659.87

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Solution

The fourth proportional to 13,585,729.95, 20,376,306.77 and 3,869,659.87 is: 5,803,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585,729.95 : 20,376,306.77 = 3,869,659.87 : x
  2. Step 2: Convert to fraction form
    13,585,729.95/20,376,306.77 = 3,869,659.87/x
  3. Step 3: Cross multiply
    13,585,729.95x = 20,376,306.77 × 3,869,659.87
  4. Step 4: Simplify right side
    13,585,729.95x = 78,849,376,536,389.27
  5. Step 5: Solve for x
    x = 78,849,376,536,389.27/13,585,729.95
  6. Step 6: Final answer
    x = 5,803,838.06

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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.