Home / 42,422,716.86-63,622,461.65-11,709,954.15

Finding the Fourth Proportional to 42,422,716.86, 63,622,461.65 and 11,709,954.15

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Solution

The fourth proportional to 42,422,716.86, 63,622,461.65 and 11,709,954.15 is: 17,561,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,422,716.86 : 63,622,461.65 = 11,709,954.15 : x
  2. Step 2: Convert to fraction form
    42,422,716.86/63,622,461.65 = 11,709,954.15/x
  3. Step 3: Cross multiply
    42,422,716.86x = 63,622,461.65 × 11,709,954.15
  4. Step 4: Simplify right side
    42,422,716.86x = 745,016,108,773,083.62
  5. Step 5: Solve for x
    x = 745,016,108,773,083.62/42,422,716.86
  6. Step 6: Final answer
    x = 17,561,725.51

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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.