Home / 13,604,653.76-20,406,853.97-5,515,706.66

Finding the Fourth Proportional to 13,604,653.76, 20,406,853.97 and 5,515,706.66

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Solution

The fourth proportional to 13,604,653.76, 20,406,853.97 and 5,515,706.66 is: 8,273,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,653.76 : 20,406,853.97 = 5,515,706.66 : x
  2. Step 2: Convert to fraction form
    13,604,653.76/20,406,853.97 = 5,515,706.66/x
  3. Step 3: Cross multiply
    13,604,653.76x = 20,406,853.97 × 5,515,706.66
  4. Step 4: Simplify right side
    13,604,653.76x = 112,558,220,357,836.08
  5. Step 5: Solve for x
    x = 112,558,220,357,836.08/13,604,653.76
  6. Step 6: Final answer
    x = 8,273,508.64

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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.