Home / 21,172,576.32-31,759,056-6,026,500.80

Finding the Fourth Proportional to 21,172,576.32, 31,759,056 and 6,026,500.80

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Solution

The fourth proportional to 21,172,576.32, 31,759,056 and 6,026,500.80 is: 9,039,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,172,576.32 : 31,759,056 = 6,026,500.80 : x
  2. Step 2: Convert to fraction form
    21,172,576.32/31,759,056 = 6,026,500.80/x
  3. Step 3: Cross multiply
    21,172,576.32x = 31,759,056 × 6,026,500.80
  4. Step 4: Simplify right side
    21,172,576.32x = 191,395,976,391,244.78
  5. Step 5: Solve for x
    x = 191,395,976,391,244.78/21,172,576.32
  6. Step 6: Final answer
    x = 9,039,805.71

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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.