Home / 28,521,739.98-39,353,844.33-16,923,141

Finding the Fourth Proportional to 28,521,739.98, 39,353,844.33 and 16,923,141

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Solution

The fourth proportional to 28,521,739.98, 39,353,844.33 and 16,923,141 is: 23,350,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,521,739.98 : 39,353,844.33 = 16,923,141 : x
  2. Step 2: Convert to fraction form
    28,521,739.98/39,353,844.33 = 16,923,141/x
  3. Step 3: Cross multiply
    28,521,739.98x = 39,353,844.33 × 16,923,141
  4. Step 4: Simplify right side
    28,521,739.98x = 665,990,656,488,640.50
  5. Step 5: Solve for x
    x = 665,990,656,488,640.50/28,521,739.98
  6. Step 6: Final answer
    x = 23,350,281.47

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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.