Home / 13,221,996.30-19,832,994.45-9,169,922.70

Finding the Fourth Proportional to 13,221,996.30, 19,832,994.45 and 9,169,922.70

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Solution

The fourth proportional to 13,221,996.30, 19,832,994.45 and 9,169,922.70 is: 13,754,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,221,996.30 : 19,832,994.45 = 9,169,922.70 : x
  2. Step 2: Convert to fraction form
    13,221,996.30/19,832,994.45 = 9,169,922.70/x
  3. Step 3: Cross multiply
    13,221,996.30x = 19,832,994.45 × 9,169,922.70
  4. Step 4: Simplify right side
    13,221,996.30x = 181,867,026,016,029
  5. Step 5: Solve for x
    x = 181,867,026,016,029/13,221,996.30
  6. Step 6: Final answer
    x = 13,754,884.05

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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.