Home / 15,378,794.80-23,036,699.40-7,810,025.20

Finding the Fourth Proportional to 15,378,794.80, 23,036,699.40 and 7,810,025.20

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Solution

The fourth proportional to 15,378,794.80, 23,036,699.40 and 7,810,025.20 is: 11,699,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378,794.80 : 23,036,699.40 = 7,810,025.20 : x
  2. Step 2: Convert to fraction form
    15,378,794.80/23,036,699.40 = 7,810,025.20/x
  3. Step 3: Cross multiply
    15,378,794.80x = 23,036,699.40 × 7,810,025.20
  4. Step 4: Simplify right side
    15,378,794.80x = 179,917,202,838,824.88
  5. Step 5: Solve for x
    x = 179,917,202,838,824.88/15,378,794.80
  6. Step 6: Final answer
    x = 11,699,044.38

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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.