Home / 14,273,991.52-19,698,128.21-7,747,622.45

Finding the Fourth Proportional to 14,273,991.52, 19,698,128.21 and 7,747,622.45

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Solution

The fourth proportional to 14,273,991.52, 19,698,128.21 and 7,747,622.45 is: 10,691,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273,991.52 : 19,698,128.21 = 7,747,622.45 : x
  2. Step 2: Convert to fraction form
    14,273,991.52/19,698,128.21 = 7,747,622.45/x
  3. Step 3: Cross multiply
    14,273,991.52x = 19,698,128.21 × 7,747,622.45
  4. Step 4: Simplify right side
    14,273,991.52x = 152,613,660,342,774.31
  5. Step 5: Solve for x
    x = 152,613,660,342,774.31/14,273,991.52
  6. Step 6: Final answer
    x = 10,691,729.79

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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.