Home / 30,660,089.23-42,303,648.78-17,428,227.66

Finding the Fourth Proportional to 30,660,089.23, 42,303,648.78 and 17,428,227.66

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Solution

The fourth proportional to 30,660,089.23, 42,303,648.78 and 17,428,227.66 is: 24,046,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660,089.23 : 42,303,648.78 = 17,428,227.66 : x
  2. Step 2: Convert to fraction form
    30,660,089.23/42,303,648.78 = 17,428,227.66/x
  3. Step 3: Cross multiply
    30,660,089.23x = 42,303,648.78 × 17,428,227.66
  4. Step 4: Simplify right side
    30,660,089.23x = 737,277,621,786,521.25
  5. Step 5: Solve for x
    x = 737,277,621,786,521.25/30,660,089.23
  6. Step 6: Final answer
    x = 24,046,819.18

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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.