Home / 27,455,105.13-37,888,057.08-15,231,962.13

Finding the Fourth Proportional to 27,455,105.13, 37,888,057.08 and 15,231,962.13

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Solution

The fourth proportional to 27,455,105.13, 37,888,057.08 and 15,231,962.13 is: 21,020,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,455,105.13 : 37,888,057.08 = 15,231,962.13 : x
  2. Step 2: Convert to fraction form
    27,455,105.13/37,888,057.08 = 15,231,962.13/x
  3. Step 3: Cross multiply
    27,455,105.13x = 37,888,057.08 × 15,231,962.13
  4. Step 4: Simplify right side
    27,455,105.13x = 577,109,450,621,838.38
  5. Step 5: Solve for x
    x = 577,109,450,621,838.38/27,455,105.13
  6. Step 6: Final answer
    x = 21,020,114.40

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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.