Home / 21,282,402.60-31,917,383.10-7,633,967.40

Finding the Fourth Proportional to 21,282,402.60, 31,917,383.10 and 7,633,967.40

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Solution

The fourth proportional to 21,282,402.60, 31,917,383.10 and 7,633,967.40 is: 11,448,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282,402.60 : 31,917,383.10 = 7,633,967.40 : x
  2. Step 2: Convert to fraction form
    21,282,402.60/31,917,383.10 = 7,633,967.40/x
  3. Step 3: Cross multiply
    21,282,402.60x = 31,917,383.10 × 7,633,967.40
  4. Step 4: Simplify right side
    21,282,402.60x = 243,656,262,078,710.97
  5. Step 5: Solve for x
    x = 243,656,262,078,710.97/21,282,402.60
  6. Step 6: Final answer
    x = 11,448,719.71

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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.