Home / 12,983,676.29-17,916,943.79-7,477,258.62

Finding the Fourth Proportional to 12,983,676.29, 17,916,943.79 and 7,477,258.62

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Solution

The fourth proportional to 12,983,676.29, 17,916,943.79 and 7,477,258.62 is: 10,318,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,676.29 : 17,916,943.79 = 7,477,258.62 : x
  2. Step 2: Convert to fraction form
    12,983,676.29/17,916,943.79 = 7,477,258.62/x
  3. Step 3: Cross multiply
    12,983,676.29x = 17,916,943.79 × 7,477,258.62
  4. Step 4: Simplify right side
    12,983,676.29x = 133,969,622,416,526.12
  5. Step 5: Solve for x
    x = 133,969,622,416,526.12/12,983,676.29
  6. Step 6: Final answer
    x = 10,318,311.97

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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.