Home / 27,685,449.81-38,204,764.65-15,923,823.93

Finding the Fourth Proportional to 27,685,449.81, 38,204,764.65 and 15,923,823.93

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Solution

The fourth proportional to 27,685,449.81, 38,204,764.65 and 15,923,823.93 is: 21,974,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,685,449.81 : 38,204,764.65 = 15,923,823.93 : x
  2. Step 2: Convert to fraction form
    27,685,449.81/38,204,764.65 = 15,923,823.93/x
  3. Step 3: Cross multiply
    27,685,449.81x = 38,204,764.65 × 15,923,823.93
  4. Step 4: Simplify right side
    27,685,449.81x = 608,365,945,573,688
  5. Step 5: Solve for x
    x = 608,365,945,573,688/27,685,449.81
  6. Step 6: Final answer
    x = 21,974,212.08

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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.