Home / 8,071,675.80-11,132,614.08-5,171,338.36

Finding the Fourth Proportional to 8,071,675.80, 11,132,614.08 and 5,171,338.36

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Solution

The fourth proportional to 8,071,675.80, 11,132,614.08 and 5,171,338.36 is: 7,132,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,675.80 : 11,132,614.08 = 5,171,338.36 : x
  2. Step 2: Convert to fraction form
    8,071,675.80/11,132,614.08 = 5,171,338.36/x
  3. Step 3: Cross multiply
    8,071,675.80x = 11,132,614.08 × 5,171,338.36
  4. Step 4: Simplify right side
    8,071,675.80x = 57,570,514,238,980.11
  5. Step 5: Solve for x
    x = 57,570,514,238,980.11/8,071,675.80
  6. Step 6: Final answer
    x = 7,132,411.62

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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.