Home / 20,946,581.60-31,349,013.60-18,395,664.80

Finding the Fourth Proportional to 20,946,581.60, 31,349,013.60 and 18,395,664.80

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Solution

The fourth proportional to 20,946,581.60, 31,349,013.60 and 18,395,664.80 is: 27,531,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946,581.60 : 31,349,013.60 = 18,395,664.80 : x
  2. Step 2: Convert to fraction form
    20,946,581.60/31,349,013.60 = 18,395,664.80/x
  3. Step 3: Cross multiply
    20,946,581.60x = 31,349,013.60 × 18,395,664.80
  4. Step 4: Simplify right side
    20,946,581.60x = 576,685,945,996,241.38
  5. Step 5: Solve for x
    x = 576,685,945,996,241.38/20,946,581.60
  6. Step 6: Final answer
    x = 27,531,267.73

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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.