Home / 21,335,866.45-32,003,882.71-5,161,791.77

Finding the Fourth Proportional to 21,335,866.45, 32,003,882.71 and 5,161,791.77

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Solution

The fourth proportional to 21,335,866.45, 32,003,882.71 and 5,161,791.77 is: 7,742,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,866.45 : 32,003,882.71 = 5,161,791.77 : x
  2. Step 2: Convert to fraction form
    21,335,866.45/32,003,882.71 = 5,161,791.77/x
  3. Step 3: Cross multiply
    21,335,866.45x = 32,003,882.71 × 5,161,791.77
  4. Step 4: Simplify right side
    21,335,866.45x = 165,197,378,207,599.41
  5. Step 5: Solve for x
    x = 165,197,378,207,599.41/21,335,866.45
  6. Step 6: Final answer
    x = 7,742,707.74

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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.