Home / 22,471,821.84-31,011,113.66-12,158,544.94

Finding the Fourth Proportional to 22,471,821.84, 31,011,113.66 and 12,158,544.94

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Solution

The fourth proportional to 22,471,821.84, 31,011,113.66 and 12,158,544.94 is: 16,778,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471,821.84 : 31,011,113.66 = 12,158,544.94 : x
  2. Step 2: Convert to fraction form
    22,471,821.84/31,011,113.66 = 12,158,544.94/x
  3. Step 3: Cross multiply
    22,471,821.84x = 31,011,113.66 × 12,158,544.94
  4. Step 4: Simplify right side
    22,471,821.84x = 377,050,019,074,557.88
  5. Step 5: Solve for x
    x = 377,050,019,074,557.88/22,471,821.84
  6. Step 6: Final answer
    x = 16,778,791.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.