Home / 8,213,468.41-12,319,261.30-2,148,785.38

Finding the Fourth Proportional to 8,213,468.41, 12,319,261.30 and 2,148,785.38

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Solution

The fourth proportional to 8,213,468.41, 12,319,261.30 and 2,148,785.38 is: 3,222,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,468.41 : 12,319,261.30 = 2,148,785.38 : x
  2. Step 2: Convert to fraction form
    8,213,468.41/12,319,261.30 = 2,148,785.38/x
  3. Step 3: Cross multiply
    8,213,468.41x = 12,319,261.30 × 2,148,785.38
  4. Step 4: Simplify right side
    8,213,468.41x = 26,471,448,573,839.79
  5. Step 5: Solve for x
    x = 26,471,448,573,839.79/8,213,468.41
  6. Step 6: Final answer
    x = 3,222,931.81

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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.