Home / 28,452,804.38-39,264,866.79-15,400,060.82

Finding the Fourth Proportional to 28,452,804.38, 39,264,866.79 and 15,400,060.82

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Solution

The fourth proportional to 28,452,804.38, 39,264,866.79 and 15,400,060.82 is: 21,252,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452,804.38 : 39,264,866.79 = 15,400,060.82 : x
  2. Step 2: Convert to fraction form
    28,452,804.38/39,264,866.79 = 15,400,060.82/x
  3. Step 3: Cross multiply
    28,452,804.38x = 39,264,866.79 × 15,400,060.82
  4. Step 4: Simplify right side
    28,452,804.38x = 604,681,336,655,198.12
  5. Step 5: Solve for x
    x = 604,681,336,655,198.12/28,452,804.38
  6. Step 6: Final answer
    x = 21,252,082.17

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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.