Home / 12,754,820.70-19,132,231.05-6,377,528.70

Finding the Fourth Proportional to 12,754,820.70, 19,132,231.05 and 6,377,528.70

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Solution

The fourth proportional to 12,754,820.70, 19,132,231.05 and 6,377,528.70 is: 9,566,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,820.70 : 19,132,231.05 = 6,377,528.70 : x
  2. Step 2: Convert to fraction form
    12,754,820.70/19,132,231.05 = 6,377,528.70/x
  3. Step 3: Cross multiply
    12,754,820.70x = 19,132,231.05 × 6,377,528.70
  4. Step 4: Simplify right side
    12,754,820.70x = 122,016,352,616,406.14
  5. Step 5: Solve for x
    x = 122,016,352,616,406.14/12,754,820.70
  6. Step 6: Final answer
    x = 9,566,293.05

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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.