Home / 15,229,932.54-21,017,110.95-8,703,487.14

Finding the Fourth Proportional to 15,229,932.54, 21,017,110.95 and 8,703,487.14

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Solution

The fourth proportional to 15,229,932.54, 21,017,110.95 and 8,703,487.14 is: 12,010,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229,932.54 : 21,017,110.95 = 8,703,487.14 : x
  2. Step 2: Convert to fraction form
    15,229,932.54/21,017,110.95 = 8,703,487.14/x
  3. Step 3: Cross multiply
    15,229,932.54x = 21,017,110.95 × 8,703,487.14
  4. Step 4: Simplify right side
    15,229,932.54x = 182,922,154,873,278.19
  5. Step 5: Solve for x
    x = 182,922,154,873,278.19/15,229,932.54
  6. Step 6: Final answer
    x = 12,010,700.27

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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.