Home / 15,502,151.97-21,392,799.95-8,532,680.51

Finding the Fourth Proportional to 15,502,151.97, 21,392,799.95 and 8,532,680.51

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Solution

The fourth proportional to 15,502,151.97, 21,392,799.95 and 8,532,680.51 is: 11,775,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502,151.97 : 21,392,799.95 = 8,532,680.51 : x
  2. Step 2: Convert to fraction form
    15,502,151.97/21,392,799.95 = 8,532,680.51/x
  3. Step 3: Cross multiply
    15,502,151.97x = 21,392,799.95 × 8,532,680.51
  4. Step 4: Simplify right side
    15,502,151.97x = 182,537,927,262,507.66
  5. Step 5: Solve for x
    x = 182,537,927,262,507.66/15,502,151.97
  6. Step 6: Final answer
    x = 11,775,005.66

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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.