Home / 18,645,226.80-25,731,704.67-11,303,369.40

Finding the Fourth Proportional to 18,645,226.80, 25,731,704.67 and 11,303,369.40

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Solution

The fourth proportional to 18,645,226.80, 25,731,704.67 and 11,303,369.40 is: 15,599,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645,226.80 : 25,731,704.67 = 11,303,369.40 : x
  2. Step 2: Convert to fraction form
    18,645,226.80/25,731,704.67 = 11,303,369.40/x
  3. Step 3: Cross multiply
    18,645,226.80x = 25,731,704.67 × 11,303,369.40
  4. Step 4: Simplify right side
    18,645,226.80x = 290,854,963,176,715.12
  5. Step 5: Solve for x
    x = 290,854,963,176,715.12/18,645,226.80
  6. Step 6: Final answer
    x = 15,599,432.84

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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.