Home / 15,338,422.80-23,007,634.20-7,764,404.40

Finding the Fourth Proportional to 15,338,422.80, 23,007,634.20 and 7,764,404.40

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Solution

The fourth proportional to 15,338,422.80, 23,007,634.20 and 7,764,404.40 is: 11,646,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,422.80 : 23,007,634.20 = 7,764,404.40 : x
  2. Step 2: Convert to fraction form
    15,338,422.80/23,007,634.20 = 7,764,404.40/x
  3. Step 3: Cross multiply
    15,338,422.80x = 23,007,634.20 × 7,764,404.40
  4. Step 4: Simplify right side
    15,338,422.80x = 178,640,576,216,070.47
  5. Step 5: Solve for x
    x = 178,640,576,216,070.47/15,338,422.80
  6. Step 6: Final answer
    x = 11,646,606.60

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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.