Home / 21,335,865.70-32,003,881.58-5,161,791.02

Finding the Fourth Proportional to 21,335,865.70, 32,003,881.58 and 5,161,791.02

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Solution

The fourth proportional to 21,335,865.70, 32,003,881.58 and 5,161,791.02 is: 7,742,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,865.70 : 32,003,881.58 = 5,161,791.02 : x
  2. Step 2: Convert to fraction form
    21,335,865.70/32,003,881.58 = 5,161,791.02/x
  3. Step 3: Cross multiply
    21,335,865.70x = 32,003,881.58 × 5,161,791.02
  4. Step 4: Simplify right side
    21,335,865.70x = 165,197,348,397,672.47
  5. Step 5: Solve for x
    x = 165,197,348,397,672.47/21,335,865.70
  6. Step 6: Final answer
    x = 7,742,706.61

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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.