Home / 11,855,679.20-16,360,853.52-6,423,171.20

Finding the Fourth Proportional to 11,855,679.20, 16,360,853.52 and 6,423,171.20

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Solution

The fourth proportional to 11,855,679.20, 16,360,853.52 and 6,423,171.20 is: 8,863,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855,679.20 : 16,360,853.52 = 6,423,171.20 : x
  2. Step 2: Convert to fraction form
    11,855,679.20/16,360,853.52 = 6,423,171.20/x
  3. Step 3: Cross multiply
    11,855,679.20x = 16,360,853.52 × 6,423,171.20
  4. Step 4: Simplify right side
    11,855,679.20x = 105,088,563,137,082.62
  5. Step 5: Solve for x
    x = 105,088,563,137,082.62/11,855,679.20
  6. Step 6: Final answer
    x = 8,863,985.05

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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.