Home / 21,794,913.60-32,692,370.40-18,393,691.20

Finding the Fourth Proportional to 21,794,913.60, 32,692,370.40 and 18,393,691.20

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Solution

The fourth proportional to 21,794,913.60, 32,692,370.40 and 18,393,691.20 is: 27,590,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794,913.60 : 32,692,370.40 = 18,393,691.20 : x
  2. Step 2: Convert to fraction form
    21,794,913.60/32,692,370.40 = 18,393,691.20/x
  3. Step 3: Cross multiply
    21,794,913.60x = 32,692,370.40 × 18,393,691.20
  4. Step 4: Simplify right side
    21,794,913.60x = 601,333,365,733,620.38
  5. Step 5: Solve for x
    x = 601,333,365,733,620.38/21,794,913.60
  6. Step 6: Final answer
    x = 27,590,536.80

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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.