Home / 27,713,544.57-38,243,900.25-15,323,424.12

Finding the Fourth Proportional to 27,713,544.57, 38,243,900.25 and 15,323,424.12

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Solution

The fourth proportional to 27,713,544.57, 38,243,900.25 and 15,323,424.12 is: 21,145,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,713,544.57 : 38,243,900.25 = 15,323,424.12 : x
  2. Step 2: Convert to fraction form
    27,713,544.57/38,243,900.25 = 15,323,424.12/x
  3. Step 3: Cross multiply
    27,713,544.57x = 38,243,900.25 × 15,323,424.12
  4. Step 4: Simplify right side
    27,713,544.57x = 586,027,503,533,724
  5. Step 5: Solve for x
    x = 586,027,503,533,724/27,713,544.57
  6. Step 6: Final answer
    x = 21,145,887.78

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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.