Home / 28,508,622.80-39,347,614.92-16,912,622.80

Finding the Fourth Proportional to 28,508,622.80, 39,347,614.92 and 16,912,622.80

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Solution

The fourth proportional to 28,508,622.80, 39,347,614.92 and 16,912,622.80 is: 23,342,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,508,622.80 : 39,347,614.92 = 16,912,622.80 : x
  2. Step 2: Convert to fraction form
    28,508,622.80/39,347,614.92 = 16,912,622.80/x
  3. Step 3: Cross multiply
    28,508,622.80x = 39,347,614.92 × 16,912,622.80
  4. Step 4: Simplify right side
    28,508,622.80x = 665,471,369,221,612.25
  5. Step 5: Solve for x
    x = 665,471,369,221,612.25/28,508,622.80
  6. Step 6: Final answer
    x = 23,342,810.13

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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.