Home / 13,172,711.06-19,770,416.75-9,132,036.40

Finding the Fourth Proportional to 13,172,711.06, 19,770,416.75 and 9,132,036.40

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Solution

The fourth proportional to 13,172,711.06, 19,770,416.75 and 9,132,036.40 is: 13,705,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,711.06 : 19,770,416.75 = 9,132,036.40 : x
  2. Step 2: Convert to fraction form
    13,172,711.06/19,770,416.75 = 9,132,036.40/x
  3. Step 3: Cross multiply
    13,172,711.06x = 19,770,416.75 × 9,132,036.40
  4. Step 4: Simplify right side
    13,172,711.06x = 180,544,165,309,083.50
  5. Step 5: Solve for x
    x = 180,544,165,309,083.50/13,172,711.06
  6. Step 6: Final answer
    x = 13,705,923.14

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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.