Home / 12,797,908.40-19,196,862.60-11,538,196.40

Finding the Fourth Proportional to 12,797,908.40, 19,196,862.60 and 11,538,196.40

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Solution

The fourth proportional to 12,797,908.40, 19,196,862.60 and 11,538,196.40 is: 17,307,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797,908.40 : 19,196,862.60 = 11,538,196.40 : x
  2. Step 2: Convert to fraction form
    12,797,908.40/19,196,862.60 = 11,538,196.40/x
  3. Step 3: Cross multiply
    12,797,908.40x = 19,196,862.60 × 11,538,196.40
  4. Step 4: Simplify right side
    12,797,908.40x = 221,497,170,942,614.66
  5. Step 5: Solve for x
    x = 221,497,170,942,614.66/12,797,908.40
  6. Step 6: Final answer
    x = 17,307,294.60

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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.