Home / 21,816,051.60-32,724,077.40-18,456,819.60

Finding the Fourth Proportional to 21,816,051.60, 32,724,077.40 and 18,456,819.60

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Solution

The fourth proportional to 21,816,051.60, 32,724,077.40 and 18,456,819.60 is: 27,685,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816,051.60 : 32,724,077.40 = 18,456,819.60 : x
  2. Step 2: Convert to fraction form
    21,816,051.60/32,724,077.40 = 18,456,819.60/x
  3. Step 3: Cross multiply
    21,816,051.60x = 32,724,077.40 × 18,456,819.60
  4. Step 4: Simplify right side
    21,816,051.60x = 603,982,393,148,237
  5. Step 5: Solve for x
    x = 603,982,393,148,237/21,816,051.60
  6. Step 6: Final answer
    x = 27,685,229.40

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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.