Home / 25,700,980.05-38,551,603.10-8,661,800.61

Finding the Fourth Proportional to 25,700,980.05, 38,551,603.10 and 8,661,800.61

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Solution

The fourth proportional to 25,700,980.05, 38,551,603.10 and 8,661,800.61 is: 12,992,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700,980.05 : 38,551,603.10 = 8,661,800.61 : x
  2. Step 2: Convert to fraction form
    25,700,980.05/38,551,603.10 = 8,661,800.61/x
  3. Step 3: Cross multiply
    25,700,980.05x = 38,551,603.10 × 8,661,800.61
  4. Step 4: Simplify right side
    25,700,980.05x = 333,926,299,204,748.88
  5. Step 5: Solve for x
    x = 333,926,299,204,748.88/25,700,980.05
  6. Step 6: Final answer
    x = 12,992,745.75

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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.