Home / 21,051,516.72-31,577,256.62-7,923,387.30

Finding the Fourth Proportional to 21,051,516.72, 31,577,256.62 and 7,923,387.30

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Solution

The fourth proportional to 21,051,516.72, 31,577,256.62 and 7,923,387.30 is: 11,885,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051,516.72 : 31,577,256.62 = 7,923,387.30 : x
  2. Step 2: Convert to fraction form
    21,051,516.72/31,577,256.62 = 7,923,387.30/x
  3. Step 3: Cross multiply
    21,051,516.72x = 31,577,256.62 × 7,923,387.30
  4. Step 4: Simplify right side
    21,051,516.72x = 250,198,834,032,131.97
  5. Step 5: Solve for x
    x = 250,198,834,032,131.97/21,051,516.72
  6. Step 6: Final answer
    x = 11,885,074.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.