Home / 28,816,492.61-39,766,640.92-15,585,684.30

Finding the Fourth Proportional to 28,816,492.61, 39,766,640.92 and 15,585,684.30

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Solution

The fourth proportional to 28,816,492.61, 39,766,640.92 and 15,585,684.30 is: 21,508,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816,492.61 : 39,766,640.92 = 15,585,684.30 : x
  2. Step 2: Convert to fraction form
    28,816,492.61/39,766,640.92 = 15,585,684.30/x
  3. Step 3: Cross multiply
    28,816,492.61x = 39,766,640.92 × 15,585,684.30
  4. Step 4: Simplify right side
    28,816,492.61x = 619,790,311,011,617.38
  5. Step 5: Solve for x
    x = 619,790,311,011,617.38/28,816,492.61
  6. Step 6: Final answer
    x = 21,508,180.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.