Home / 18,588,574.56-27,893,775-7,805,046.24

Finding the Fourth Proportional to 18,588,574.56, 27,893,775 and 7,805,046.24

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Solution

The fourth proportional to 18,588,574.56, 27,893,775 and 7,805,046.24 is: 11,712,151.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588,574.56 : 27,893,775 = 7,805,046.24 : x
  2. Step 2: Convert to fraction form
    18,588,574.56/27,893,775 = 7,805,046.24/x
  3. Step 3: Cross multiply
    18,588,574.56x = 27,893,775 × 7,805,046.24
  4. Step 4: Simplify right side
    18,588,574.56x = 217,712,203,683,156
  5. Step 5: Solve for x
    x = 217,712,203,683,156/18,588,574.56
  6. Step 6: Final answer
    x = 11,712,151.62

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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.