Home / 14,213,791.52-19,615,032-7,687,420.80

Finding the Fourth Proportional to 14,213,791.52, 19,615,032 and 7,687,420.80

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Solution

The fourth proportional to 14,213,791.52, 19,615,032 and 7,687,420.80 is: 10,608,640.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213,791.52 : 19,615,032 = 7,687,420.80 : x
  2. Step 2: Convert to fraction form
    14,213,791.52/19,615,032 = 7,687,420.80/x
  3. Step 3: Cross multiply
    14,213,791.52x = 19,615,032 × 7,687,420.80
  4. Step 4: Simplify right side
    14,213,791.52x = 150,789,004,989,465.59
  5. Step 5: Solve for x
    x = 150,789,004,989,465.59/14,213,791.52
  6. Step 6: Final answer
    x = 10,608,640.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.