Home / 18,965,113.28-26,171,855.52-10,263,285.44

Finding the Fourth Proportional to 18,965,113.28, 26,171,855.52 and 10,263,285.44

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Solution

The fourth proportional to 18,965,113.28, 26,171,855.52 and 10,263,285.44 is: 14,163,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965,113.28 : 26,171,855.52 = 10,263,285.44 : x
  2. Step 2: Convert to fraction form
    18,965,113.28/26,171,855.52 = 10,263,285.44/x
  3. Step 3: Cross multiply
    18,965,113.28x = 26,171,855.52 × 10,263,285.44
  4. Step 4: Simplify right side
    18,965,113.28x = 268,609,223,696,199.62
  5. Step 5: Solve for x
    x = 268,609,223,696,199.62/18,965,113.28
  6. Step 6: Final answer
    x = 14,163,333.47

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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.