Home / 27,800,717.48-38,365,302.21-15,881,109.66

Finding the Fourth Proportional to 27,800,717.48, 38,365,302.21 and 15,881,109.66

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Solution

The fourth proportional to 27,800,717.48, 38,365,302.21 and 15,881,109.66 is: 21,916,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,800,717.48 : 38,365,302.21 = 15,881,109.66 : x
  2. Step 2: Convert to fraction form
    27,800,717.48/38,365,302.21 = 15,881,109.66/x
  3. Step 3: Cross multiply
    27,800,717.48x = 38,365,302.21 × 15,881,109.66
  4. Step 4: Simplify right side
    27,800,717.48x = 609,283,571,536,050.38
  5. Step 5: Solve for x
    x = 609,283,571,536,050.38/27,800,717.48
  6. Step 6: Final answer
    x = 21,916,109.61

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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.