Home / 21,853,440.61-30,156,957.62-12,063,674.60

Finding the Fourth Proportional to 21,853,440.61, 30,156,957.62 and 12,063,674.60

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Solution

The fourth proportional to 21,853,440.61, 30,156,957.62 and 12,063,674.60 is: 16,647,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,853,440.61 : 30,156,957.62 = 12,063,674.60 : x
  2. Step 2: Convert to fraction form
    21,853,440.61/30,156,957.62 = 12,063,674.60/x
  3. Step 3: Cross multiply
    21,853,440.61x = 30,156,957.62 × 12,063,674.60
  4. Step 4: Simplify right side
    21,853,440.61x = 363,803,723,770,527.50
  5. Step 5: Solve for x
    x = 363,803,723,770,527.50/21,853,440.61
  6. Step 6: Final answer
    x = 16,647,434.62

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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.