Home / 9,291,295.80-13,936,943.70-7,378,108.20

Finding the Fourth Proportional to 9,291,295.80, 13,936,943.70 and 7,378,108.20

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Solution

The fourth proportional to 9,291,295.80, 13,936,943.70 and 7,378,108.20 is: 11,067,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,295.80 : 13,936,943.70 = 7,378,108.20 : x
  2. Step 2: Convert to fraction form
    9,291,295.80/13,936,943.70 = 7,378,108.20/x
  3. Step 3: Cross multiply
    9,291,295.80x = 13,936,943.70 × 7,378,108.20
  4. Step 4: Simplify right side
    9,291,295.80x = 102,828,278,595,908.34
  5. Step 5: Solve for x
    x = 102,828,278,595,908.34/9,291,295.80
  6. Step 6: Final answer
    x = 11,067,162.30

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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.