Home / 18,727,193.88-28,090,790.82-5,264,021.88

Finding the Fourth Proportional to 18,727,193.88, 28,090,790.82 and 5,264,021.88

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Solution

The fourth proportional to 18,727,193.88, 28,090,790.82 and 5,264,021.88 is: 7,896,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727,193.88 : 28,090,790.82 = 5,264,021.88 : x
  2. Step 2: Convert to fraction form
    18,727,193.88/28,090,790.82 = 5,264,021.88/x
  3. Step 3: Cross multiply
    18,727,193.88x = 28,090,790.82 × 5,264,021.88
  4. Step 4: Simplify right side
    18,727,193.88x = 147,870,537,502,983.12
  5. Step 5: Solve for x
    x = 147,870,537,502,983.12/18,727,193.88
  6. Step 6: Final answer
    x = 7,896,032.82

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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.