Home / 27,724,661.70-38,248,317.84-18,560,256.90

Finding the Fourth Proportional to 27,724,661.70, 38,248,317.84 and 18,560,256.90

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Solution

The fourth proportional to 27,724,661.70, 38,248,317.84 and 18,560,256.90 is: 25,605,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,724,661.70 : 38,248,317.84 = 18,560,256.90 : x
  2. Step 2: Convert to fraction form
    27,724,661.70/38,248,317.84 = 18,560,256.90/x
  3. Step 3: Cross multiply
    27,724,661.70x = 38,248,317.84 × 18,560,256.90
  4. Step 4: Simplify right side
    27,724,661.70x = 709,898,605,103,253.12
  5. Step 5: Solve for x
    x = 709,898,605,103,253.12/27,724,661.70
  6. Step 6: Final answer
    x = 25,605,311.72

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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.