Home / 12,258,333.72-18,381,115.08-4,575,660.84

Finding the Fourth Proportional to 12,258,333.72, 18,381,115.08 and 4,575,660.84

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Solution

The fourth proportional to 12,258,333.72, 18,381,115.08 and 4,575,660.84 is: 6,861,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,333.72 : 18,381,115.08 = 4,575,660.84 : x
  2. Step 2: Convert to fraction form
    12,258,333.72/18,381,115.08 = 4,575,660.84/x
  3. Step 3: Cross multiply
    12,258,333.72x = 18,381,115.08 × 4,575,660.84
  4. Step 4: Simplify right side
    12,258,333.72x = 84,105,748,467,089.45
  5. Step 5: Solve for x
    x = 84,105,748,467,089.45/12,258,333.72
  6. Step 6: Final answer
    x = 6,861,107.75

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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.