Home / 20,630,602.67-28,469,071.49-12,366,529.27

Finding the Fourth Proportional to 20,630,602.67, 28,469,071.49 and 12,366,529.27

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Solution

The fourth proportional to 20,630,602.67, 28,469,071.49 and 12,366,529.27 is: 17,065,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,630,602.67 : 28,469,071.49 = 12,366,529.27 : x
  2. Step 2: Convert to fraction form
    20,630,602.67/28,469,071.49 = 12,366,529.27/x
  3. Step 3: Cross multiply
    20,630,602.67x = 28,469,071.49 × 12,366,529.27
  4. Step 4: Simplify right side
    20,630,602.67x = 352,063,605,737,802.19
  5. Step 5: Solve for x
    x = 352,063,605,737,802.19/20,630,602.67
  6. Step 6: Final answer
    x = 17,065,114.94

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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.