Home / 12,078,086.40-16,668,217.98-6,922,442.88

Finding the Fourth Proportional to 12,078,086.40, 16,668,217.98 and 6,922,442.88

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Solution

The fourth proportional to 12,078,086.40, 16,668,217.98 and 6,922,442.88 is: 9,553,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078,086.40 : 16,668,217.98 = 6,922,442.88 : x
  2. Step 2: Convert to fraction form
    12,078,086.40/16,668,217.98 = 6,922,442.88/x
  3. Step 3: Cross multiply
    12,078,086.40x = 16,668,217.98 × 6,922,442.88
  4. Step 4: Simplify right side
    12,078,086.40x = 115,384,786,877,938.98
  5. Step 5: Solve for x
    x = 115,384,786,877,938.98/12,078,086.40
  6. Step 6: Final answer
    x = 9,553,234.10

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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.