Home / 28,491,554.77-42,726,863.14-9,790,558.93

Finding the Fourth Proportional to 28,491,554.77, 42,726,863.14 and 9,790,558.93

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Solution

The fourth proportional to 28,491,554.77, 42,726,863.14 and 9,790,558.93 is: 14,682,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491,554.77 : 42,726,863.14 = 9,790,558.93 : x
  2. Step 2: Convert to fraction form
    28,491,554.77/42,726,863.14 = 9,790,558.93/x
  3. Step 3: Cross multiply
    28,491,554.77x = 42,726,863.14 × 9,790,558.93
  4. Step 4: Simplify right side
    28,491,554.77x = 418,319,871,495,147.06
  5. Step 5: Solve for x
    x = 418,319,871,495,147.06/28,491,554.77
  6. Step 6: Final answer
    x = 14,682,240.92

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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.