Home / 11,775,845.80-17,658,519.90-5,382,807.40

Finding the Fourth Proportional to 11,775,845.80, 17,658,519.90 and 5,382,807.40

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Solution

The fourth proportional to 11,775,845.80, 17,658,519.90 and 5,382,807.40 is: 8,071,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775,845.80 : 17,658,519.90 = 5,382,807.40 : x
  2. Step 2: Convert to fraction form
    11,775,845.80/17,658,519.90 = 5,382,807.40/x
  3. Step 3: Cross multiply
    11,775,845.80x = 17,658,519.90 × 5,382,807.40
  4. Step 4: Simplify right side
    11,775,845.80x = 95,052,411,590,767.27
  5. Step 5: Solve for x
    x = 95,052,411,590,767.27/11,775,845.80
  6. Step 6: Final answer
    x = 8,071,811.84

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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.