Home / 28,063,590-38,727,754.20-15,186,534

Finding the Fourth Proportional to 28,063,590, 38,727,754.20 and 15,186,534

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Solution

The fourth proportional to 28,063,590, 38,727,754.20 and 15,186,534 is: 20,957,416.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063,590 : 38,727,754.20 = 15,186,534 : x
  2. Step 2: Convert to fraction form
    28,063,590/38,727,754.20 = 15,186,534/x
  3. Step 3: Cross multiply
    28,063,590x = 38,727,754.20 × 15,186,534
  4. Step 4: Simplify right side
    28,063,590x = 588,140,355,901,942.88
  5. Step 5: Solve for x
    x = 588,140,355,901,942.88/28,063,590
  6. Step 6: Final answer
    x = 20,957,416.92

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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.