Home / 18,965,017.50-26,171,502.75-10,262,988.78

Finding the Fourth Proportional to 18,965,017.50, 26,171,502.75 and 10,262,988.78

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Solution

The fourth proportional to 18,965,017.50, 26,171,502.75 and 10,262,988.78 is: 14,162,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965,017.50 : 26,171,502.75 = 10,262,988.78 : x
  2. Step 2: Convert to fraction form
    18,965,017.50/26,171,502.75 = 10,262,988.78/x
  3. Step 3: Cross multiply
    18,965,017.50x = 26,171,502.75 × 10,262,988.78
  4. Step 4: Simplify right side
    18,965,017.50x = 268,597,839,078,989.12
  5. Step 5: Solve for x
    x = 268,597,839,078,989.12/18,965,017.50
  6. Step 6: Final answer
    x = 14,162,804.70

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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.