Home / 11,890,348.12-16,408,711.74-6,995,754.64

Finding the Fourth Proportional to 11,890,348.12, 16,408,711.74 and 6,995,754.64

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Solution

The fourth proportional to 11,890,348.12, 16,408,711.74 and 6,995,754.64 is: 9,654,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890,348.12 : 16,408,711.74 = 6,995,754.64 : x
  2. Step 2: Convert to fraction form
    11,890,348.12/16,408,711.74 = 6,995,754.64/x
  3. Step 3: Cross multiply
    11,890,348.12x = 16,408,711.74 × 6,995,754.64
  4. Step 4: Simplify right side
    11,890,348.12x = 114,791,321,291,527.47
  5. Step 5: Solve for x
    x = 114,791,321,291,527.47/11,890,348.12
  6. Step 6: Final answer
    x = 9,654,159.84

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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.