Home / 21,957,446.28-30,302,441.10-12,168,959.16

Finding the Fourth Proportional to 21,957,446.28, 30,302,441.10 and 12,168,959.16

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Solution

The fourth proportional to 21,957,446.28, 30,302,441.10 and 12,168,959.16 is: 16,793,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,957,446.28 : 30,302,441.10 = 12,168,959.16 : x
  2. Step 2: Convert to fraction form
    21,957,446.28/30,302,441.10 = 12,168,959.16/x
  3. Step 3: Cross multiply
    21,957,446.28x = 30,302,441.10 × 12,168,959.16
  4. Step 4: Simplify right side
    21,957,446.28x = 368,749,168,194,205.50
  5. Step 5: Solve for x
    x = 368,749,168,194,205.50/21,957,446.28
  6. Step 6: Final answer
    x = 16,793,809.42

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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.