Home / 20,752,665.54-31,104,232.29-9,658,808.49

Finding the Fourth Proportional to 20,752,665.54, 31,104,232.29 and 9,658,808.49

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Solution

The fourth proportional to 20,752,665.54, 31,104,232.29 and 9,658,808.49 is: 14,476,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752,665.54 : 31,104,232.29 = 9,658,808.49 : x
  2. Step 2: Convert to fraction form
    20,752,665.54/31,104,232.29 = 9,658,808.49/x
  3. Step 3: Cross multiply
    20,752,665.54x = 31,104,232.29 × 9,658,808.49
  4. Step 4: Simplify right side
    20,752,665.54x = 300,429,822,917,584.12
  5. Step 5: Solve for x
    x = 300,429,822,917,584.12/20,752,665.54
  6. Step 6: Final answer
    x = 14,476,686.01

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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.