Home / 19,415,791.57-29,116,118.64-7,278,632.55

Finding the Fourth Proportional to 19,415,791.57, 29,116,118.64 and 7,278,632.55

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Solution

The fourth proportional to 19,415,791.57, 29,116,118.64 and 7,278,632.55 is: 10,915,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,791.57 : 29,116,118.64 = 7,278,632.55 : x
  2. Step 2: Convert to fraction form
    19,415,791.57/29,116,118.64 = 7,278,632.55/x
  3. Step 3: Cross multiply
    19,415,791.57x = 29,116,118.64 × 7,278,632.55
  4. Step 4: Simplify right side
    19,415,791.57x = 211,925,528,862,765.72
  5. Step 5: Solve for x
    x = 211,925,528,862,765.72/19,415,791.57
  6. Step 6: Final answer
    x = 10,915,111.45

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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.