Home / 12,624,391.84-17,416,765.20-8,039,892.64

Finding the Fourth Proportional to 12,624,391.84, 17,416,765.20 and 8,039,892.64

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Solution

The fourth proportional to 12,624,391.84, 17,416,765.20 and 8,039,892.64 is: 11,091,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624,391.84 : 17,416,765.20 = 8,039,892.64 : x
  2. Step 2: Convert to fraction form
    12,624,391.84/17,416,765.20 = 8,039,892.64/x
  3. Step 3: Cross multiply
    12,624,391.84x = 17,416,765.20 × 8,039,892.64
  4. Step 4: Simplify right side
    12,624,391.84x = 140,028,922,344,088.11
  5. Step 5: Solve for x
    x = 140,028,922,344,088.11/12,624,391.84
  6. Step 6: Final answer
    x = 11,091,934.10

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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.