Home / 11,875,116.88-17,798,501.40-6,485,122

Finding the Fourth Proportional to 11,875,116.88, 17,798,501.40 and 6,485,122

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Solution

The fourth proportional to 11,875,116.88, 17,798,501.40 and 6,485,122 is: 9,719,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875,116.88 : 17,798,501.40 = 6,485,122 : x
  2. Step 2: Convert to fraction form
    11,875,116.88/17,798,501.40 = 6,485,122/x
  3. Step 3: Cross multiply
    11,875,116.88x = 17,798,501.40 × 6,485,122
  4. Step 4: Simplify right side
    11,875,116.88x = 115,425,452,996,170.80
  5. Step 5: Solve for x
    x = 115,425,452,996,170.80/11,875,116.88
  6. Step 6: Final answer
    x = 9,719,942.48

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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.