Home / 21,853,440.45-30,156,957.36-12,063,674.43

Finding the Fourth Proportional to 21,853,440.45, 30,156,957.36 and 12,063,674.43

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Solution

The fourth proportional to 21,853,440.45, 30,156,957.36 and 12,063,674.43 is: 16,647,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,440.45 : 30,156,957.36 = 12,063,674.43 : x
  2. Step 2: Convert to fraction form
    21,853,440.45/30,156,957.36 = 12,063,674.43/x
  3. Step 3: Cross multiply
    21,853,440.45x = 30,156,957.36 × 12,063,674.43
  4. Step 4: Simplify right side
    21,853,440.45x = 363,803,715,390,432.31
  5. Step 5: Solve for x
    x = 363,803,715,390,432.31/21,853,440.45
  6. Step 6: Final answer
    x = 16,647,434.36

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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.