Home / 20,628,794.88-28,468,454.40-11,461,824

Finding the Fourth Proportional to 20,628,794.88, 28,468,454.40 and 11,461,824

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Solution

The fourth proportional to 20,628,794.88, 28,468,454.40 and 11,461,824 is: 15,817,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628,794.88 : 28,468,454.40 = 11,461,824 : x
  2. Step 2: Convert to fraction form
    20,628,794.88/28,468,454.40 = 11,461,824/x
  3. Step 3: Cross multiply
    20,628,794.88x = 28,468,454.40 × 11,461,824
  4. Step 4: Simplify right side
    20,628,794.88x = 326,300,413,884,825.56
  5. Step 5: Solve for x
    x = 326,300,413,884,825.56/20,628,794.88
  6. Step 6: Final answer
    x = 15,817,715.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.