Home / 6,369,485.29-8,790,138.50-3,616,428.87

Finding the Fourth Proportional to 6,369,485.29, 8,790,138.50 and 3,616,428.87

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Solution

The fourth proportional to 6,369,485.29, 8,790,138.50 and 3,616,428.87 is: 4,990,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369,485.29 : 8,790,138.50 = 3,616,428.87 : x
  2. Step 2: Convert to fraction form
    6,369,485.29/8,790,138.50 = 3,616,428.87/x
  3. Step 3: Cross multiply
    6,369,485.29x = 8,790,138.50 × 3,616,428.87
  4. Step 4: Simplify right side
    6,369,485.29x = 31,788,910,624,616.35
  5. Step 5: Solve for x
    x = 31,788,910,624,616.35/6,369,485.29
  6. Step 6: Final answer
    x = 4,990,813.10

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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.