Home / 20,440,349.76-28,207,553.08-11,619,801.50

Finding the Fourth Proportional to 20,440,349.76, 28,207,553.08 and 11,619,801.50

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Solution

The fourth proportional to 20,440,349.76, 28,207,553.08 and 11,619,801.50 is: 16,035,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440,349.76 : 28,207,553.08 = 11,619,801.50 : x
  2. Step 2: Convert to fraction form
    20,440,349.76/28,207,553.08 = 11,619,801.50/x
  3. Step 3: Cross multiply
    20,440,349.76x = 28,207,553.08 × 11,619,801.50
  4. Step 4: Simplify right side
    20,440,349.76x = 327,766,167,590,313.62
  5. Step 5: Solve for x
    x = 327,766,167,590,313.62/20,440,349.76
  6. Step 6: Final answer
    x = 16,035,252.40

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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.