Home / 28,205,961.40-42,308,942.10-6,930,825.40

Finding the Fourth Proportional to 28,205,961.40, 42,308,942.10 and 6,930,825.40

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Solution

The fourth proportional to 28,205,961.40, 42,308,942.10 and 6,930,825.40 is: 10,396,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,205,961.40 : 42,308,942.10 = 6,930,825.40 : x
  2. Step 2: Convert to fraction form
    28,205,961.40/42,308,942.10 = 6,930,825.40/x
  3. Step 3: Cross multiply
    28,205,961.40x = 42,308,942.10 × 6,930,825.40
  4. Step 4: Simplify right side
    28,205,961.40x = 293,235,890,553,809.38
  5. Step 5: Solve for x
    x = 293,235,890,553,809.38/28,205,961.40
  6. Step 6: Final answer
    x = 10,396,238.10

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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.