Home / 18,759,722.27-25,867,858.77-12,221,226.50

Finding the Fourth Proportional to 18,759,722.27, 25,867,858.77 and 12,221,226.50

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Solution

The fourth proportional to 18,759,722.27, 25,867,858.77 and 12,221,226.50 is: 16,851,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,722.27 : 25,867,858.77 = 12,221,226.50 : x
  2. Step 2: Convert to fraction form
    18,759,722.27/25,867,858.77 = 12,221,226.50/x
  3. Step 3: Cross multiply
    18,759,722.27x = 25,867,858.77 × 12,221,226.50
  4. Step 4: Simplify right side
    18,759,722.27x = 316,136,960,968,842.06
  5. Step 5: Solve for x
    x = 316,136,960,968,842.06/18,759,722.27
  6. Step 6: Final answer
    x = 16,851,899.86

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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.