Home / 12,078,910.92-16,669,357.02-6,923,267.40

Finding the Fourth Proportional to 12,078,910.92, 16,669,357.02 and 6,923,267.40

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Solution

The fourth proportional to 12,078,910.92, 16,669,357.02 and 6,923,267.40 is: 9,554,372.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078,910.92 : 16,669,357.02 = 6,923,267.40 : x
  2. Step 2: Convert to fraction form
    12,078,910.92/16,669,357.02 = 6,923,267.40/x
  3. Step 3: Cross multiply
    12,078,910.92x = 16,669,357.02 × 6,923,267.40
  4. Step 4: Simplify right side
    12,078,910.92x = 115,406,416,035,527.16
  5. Step 5: Solve for x
    x = 115,406,416,035,527.16/12,078,910.92
  6. Step 6: Final answer
    x = 9,554,372.64

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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.