Home / 27,480,507.75-37,920,416.49-15,877,822.11

Finding the Fourth Proportional to 27,480,507.75, 37,920,416.49 and 15,877,822.11

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Solution

The fourth proportional to 27,480,507.75, 37,920,416.49 and 15,877,822.11 is: 21,909,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480,507.75 : 37,920,416.49 = 15,877,822.11 : x
  2. Step 2: Convert to fraction form
    27,480,507.75/37,920,416.49 = 15,877,822.11/x
  3. Step 3: Cross multiply
    27,480,507.75x = 37,920,416.49 × 15,877,822.11
  4. Step 4: Simplify right side
    27,480,507.75x = 602,093,627,365,330.62
  5. Step 5: Solve for x
    x = 602,093,627,365,330.62/27,480,507.75
  6. Step 6: Final answer
    x = 21,909,843.62

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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.