Home / 51,336,450-77,003,949.42-12,475,187.64

Finding the Fourth Proportional to 51,336,450, 77,003,949.42 and 12,475,187.64

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Solution

The fourth proportional to 51,336,450, 77,003,949.42 and 12,475,187.64 is: 18,712,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,336,450 : 77,003,949.42 = 12,475,187.64 : x
  2. Step 2: Convert to fraction form
    51,336,450/77,003,949.42 = 12,475,187.64/x
  3. Step 3: Cross multiply
    51,336,450x = 77,003,949.42 × 12,475,187.64
  4. Step 4: Simplify right side
    51,336,450x = 960,638,718,035,569.25
  5. Step 5: Solve for x
    x = 960,638,718,035,569.25/51,336,450
  6. Step 6: Final answer
    x = 18,712,605.14

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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.