Home / 22,221,818.54-30,667,300.95-12,431,678.82

Finding the Fourth Proportional to 22,221,818.54, 30,667,300.95 and 12,431,678.82

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Solution

The fourth proportional to 22,221,818.54, 30,667,300.95 and 12,431,678.82 is: 17,156,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221,818.54 : 30,667,300.95 = 12,431,678.82 : x
  2. Step 2: Convert to fraction form
    22,221,818.54/30,667,300.95 = 12,431,678.82/x
  3. Step 3: Cross multiply
    22,221,818.54x = 30,667,300.95 × 12,431,678.82
  4. Step 4: Simplify right side
    22,221,818.54x = 381,246,035,618,297.31
  5. Step 5: Solve for x
    x = 381,246,035,618,297.31/22,221,818.54
  6. Step 6: Final answer
    x = 17,156,383.26

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1.5x scale

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.