Home / 19,240,440.22-28,859,960.49-5,776,918.30

Finding the Fourth Proportional to 19,240,440.22, 28,859,960.49 and 5,776,918.30

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Solution

The fourth proportional to 19,240,440.22, 28,859,960.49 and 5,776,918.30 is: 8,665,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240,440.22 : 28,859,960.49 = 5,776,918.30 : x
  2. Step 2: Convert to fraction form
    19,240,440.22/28,859,960.49 = 5,776,918.30/x
  3. Step 3: Cross multiply
    19,240,440.22x = 28,859,960.49 × 5,776,918.30
  4. Step 4: Simplify right side
    19,240,440.22x = 166,721,633,891,957.94
  5. Step 5: Solve for x
    x = 166,721,633,891,957.94/19,240,440.22
  6. Step 6: Final answer
    x = 8,665,167.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.