Home / 10,916,890.80-16,343,843.40-6,665,362.80

Finding the Fourth Proportional to 10,916,890.80, 16,343,843.40 and 6,665,362.80

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Solution

The fourth proportional to 10,916,890.80, 16,343,843.40 and 6,665,362.80 is: 9,978,816.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916,890.80 : 16,343,843.40 = 6,665,362.80 : x
  2. Step 2: Convert to fraction form
    10,916,890.80/16,343,843.40 = 6,665,362.80/x
  3. Step 3: Cross multiply
    10,916,890.80x = 16,343,843.40 × 6,665,362.80
  4. Step 4: Simplify right side
    10,916,890.80x = 108,937,645,807,385.52
  5. Step 5: Solve for x
    x = 108,937,645,807,385.52/10,916,890.80
  6. Step 6: Final answer
    x = 9,978,816.11

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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.