Home / 20,946,585.60-31,349,019.60-18,395,668.80

Finding the Fourth Proportional to 20,946,585.60, 31,349,019.60 and 18,395,668.80

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Solution

The fourth proportional to 20,946,585.60, 31,349,019.60 and 18,395,668.80 is: 27,531,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,946,585.60 : 31,349,019.60 = 18,395,668.80 : x
  2. Step 2: Convert to fraction form
    20,946,585.60/31,349,019.60 = 18,395,668.80/x
  3. Step 3: Cross multiply
    20,946,585.60x = 31,349,019.60 × 18,395,668.80
  4. Step 4: Simplify right side
    20,946,585.60x = 576,686,181,766,308.50
  5. Step 5: Solve for x
    x = 576,686,181,766,308.50/20,946,585.60
  6. Step 6: Final answer
    x = 27,531,273.73

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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.