Home / 27,860,904.70-41,708,688.45-20,704,165.90

Finding the Fourth Proportional to 27,860,904.70, 41,708,688.45 and 20,704,165.90

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Solution

The fourth proportional to 27,860,904.70, 41,708,688.45 and 20,704,165.90 is: 30,994,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,860,904.70 : 41,708,688.45 = 20,704,165.90 : x
  2. Step 2: Convert to fraction form
    27,860,904.70/41,708,688.45 = 20,704,165.90/x
  3. Step 3: Cross multiply
    27,860,904.70x = 41,708,688.45 × 20,704,165.90
  4. Step 4: Simplify right side
    27,860,904.70x = 863,543,605,140,213.88
  5. Step 5: Solve for x
    x = 863,543,605,140,213.88/27,860,904.70
  6. Step 6: Final answer
    x = 30,994,815.65

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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.