Home / 28,957,769.88-39,946,941.18-18,492,785.88

Finding the Fourth Proportional to 28,957,769.88, 39,946,941.18 and 18,492,785.88

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Solution

The fourth proportional to 28,957,769.88, 39,946,941.18 and 18,492,785.88 is: 25,510,605.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,957,769.88 : 39,946,941.18 = 18,492,785.88 : x
  2. Step 2: Convert to fraction form
    28,957,769.88/39,946,941.18 = 18,492,785.88/x
  3. Step 3: Cross multiply
    28,957,769.88x = 39,946,941.18 × 18,492,785.88
  4. Step 4: Simplify right side
    28,957,769.88x = 738,730,229,802,694.50
  5. Step 5: Solve for x
    x = 738,730,229,802,694.50/28,957,769.88
  6. Step 6: Final answer
    x = 25,510,605.02

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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.