Home / 15,277,908.44-21,083,912.55-8,402,570.93

Finding the Fourth Proportional to 15,277,908.44, 21,083,912.55 and 8,402,570.93

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Solution

The fourth proportional to 15,277,908.44, 21,083,912.55 and 8,402,570.93 is: 11,595,767.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,908.44 : 21,083,912.55 = 8,402,570.93 : x
  2. Step 2: Convert to fraction form
    15,277,908.44/21,083,912.55 = 8,402,570.93/x
  3. Step 3: Cross multiply
    15,277,908.44x = 21,083,912.55 × 8,402,570.93
  4. Step 4: Simplify right side
    15,277,908.44x = 177,159,070,577,872.62
  5. Step 5: Solve for x
    x = 177,159,070,577,872.62/15,277,908.44
  6. Step 6: Final answer
    x = 11,595,767.27

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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.