Home / 10,865,295.40-16,297,943.10-9,111,540.10

Finding the Fourth Proportional to 10,865,295.40, 16,297,943.10 and 9,111,540.10

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Solution

The fourth proportional to 10,865,295.40, 16,297,943.10 and 9,111,540.10 is: 13,667,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,295.40 : 16,297,943.10 = 9,111,540.10 : x
  2. Step 2: Convert to fraction form
    10,865,295.40/16,297,943.10 = 9,111,540.10/x
  3. Step 3: Cross multiply
    10,865,295.40x = 16,297,943.10 × 9,111,540.10
  4. Step 4: Simplify right side
    10,865,295.40x = 148,499,362,103,168.31
  5. Step 5: Solve for x
    x = 148,499,362,103,168.31/10,865,295.40
  6. Step 6: Final answer
    x = 13,667,310.15

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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.