Home / 7,147,689.30-10,726,848.36-2,887,894.44

Finding the Fourth Proportional to 7,147,689.30, 10,726,848.36 and 2,887,894.44

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Solution

The fourth proportional to 7,147,689.30, 10,726,848.36 and 2,887,894.44 is: 4,333,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,689.30 : 10,726,848.36 = 2,887,894.44 : x
  2. Step 2: Convert to fraction form
    7,147,689.30/10,726,848.36 = 2,887,894.44/x
  3. Step 3: Cross multiply
    7,147,689.30x = 10,726,848.36 × 2,887,894.44
  4. Step 4: Simplify right side
    7,147,689.30x = 30,978,005,737,567.12
  5. Step 5: Solve for x
    x = 30,978,005,737,567.12/7,147,689.30
  6. Step 6: Final answer
    x = 4,333,988.85

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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.