Home / 10,979,980.36-16,473,890.76-6,670,821.40

Finding the Fourth Proportional to 10,979,980.36, 16,473,890.76 and 6,670,821.40

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Solution

The fourth proportional to 10,979,980.36, 16,473,890.76 and 6,670,821.40 is: 10,008,613.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,979,980.36 : 16,473,890.76 = 6,670,821.40 : x
  2. Step 2: Convert to fraction form
    10,979,980.36/16,473,890.76 = 6,670,821.40/x
  3. Step 3: Cross multiply
    10,979,980.36x = 16,473,890.76 × 6,670,821.40
  4. Step 4: Simplify right side
    10,979,980.36x = 109,894,383,023,070.27
  5. Step 5: Solve for x
    x = 109,894,383,023,070.27/10,979,980.36
  6. Step 6: Final answer
    x = 10,008,613.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.