Home / 28,214,576.10-42,321,864.15-17,396,799.30

Finding the Fourth Proportional to 28,214,576.10, 42,321,864.15 and 17,396,799.30

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Solution

The fourth proportional to 28,214,576.10, 42,321,864.15 and 17,396,799.30 is: 26,095,198.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,214,576.10 : 42,321,864.15 = 17,396,799.30 : x
  2. Step 2: Convert to fraction form
    28,214,576.10/42,321,864.15 = 17,396,799.30/x
  3. Step 3: Cross multiply
    28,214,576.10x = 42,321,864.15 × 17,396,799.30
  4. Step 4: Simplify right side
    28,214,576.10x = 736,264,976,619,415.12
  5. Step 5: Solve for x
    x = 736,264,976,619,415.12/28,214,576.10
  6. Step 6: Final answer
    x = 26,095,198.95

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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.