Home / 15,915,665-21,913,258.38-14,461,008.68

Finding the Fourth Proportional to 15,915,665, 21,913,258.38 and 14,461,008.68

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Solution

The fourth proportional to 15,915,665, 21,913,258.38 and 14,461,008.68 is: 19,910,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915,665 : 21,913,258.38 = 14,461,008.68 : x
  2. Step 2: Convert to fraction form
    15,915,665/21,913,258.38 = 14,461,008.68/x
  3. Step 3: Cross multiply
    15,915,665x = 21,913,258.38 × 14,461,008.68
  4. Step 4: Simplify right side
    15,915,665x = 316,887,819,640,262.69
  5. Step 5: Solve for x
    x = 316,887,819,640,262.69/15,915,665
  6. Step 6: Final answer
    x = 19,910,435.39

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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.