Home / 11,458,722.39-17,187,833.90-5,390,090.36

Finding the Fourth Proportional to 11,458,722.39, 17,187,833.90 and 5,390,090.36

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Solution

The fourth proportional to 11,458,722.39, 17,187,833.90 and 5,390,090.36 is: 8,085,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458,722.39 : 17,187,833.90 = 5,390,090.36 : x
  2. Step 2: Convert to fraction form
    11,458,722.39/17,187,833.90 = 5,390,090.36/x
  3. Step 3: Cross multiply
    11,458,722.39x = 17,187,833.90 × 5,390,090.36
  4. Step 4: Simplify right side
    11,458,722.39x = 92,643,977,700,781.59
  5. Step 5: Solve for x
    x = 92,643,977,700,781.59/11,458,722.39
  6. Step 6: Final answer
    x = 8,085,018.08

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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.