Home / 9,515,783.79-13,131,429.84-5,164,776.96

Finding the Fourth Proportional to 9,515,783.79, 13,131,429.84 and 5,164,776.96

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Solution

The fourth proportional to 9,515,783.79, 13,131,429.84 and 5,164,776.96 is: 7,127,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,783.79 : 13,131,429.84 = 5,164,776.96 : x
  2. Step 2: Convert to fraction form
    9,515,783.79/13,131,429.84 = 5,164,776.96/x
  3. Step 3: Cross multiply
    9,515,783.79x = 13,131,429.84 × 5,164,776.96
  4. Step 4: Simplify right side
    9,515,783.79x = 67,820,906,289,488.48
  5. Step 5: Solve for x
    x = 67,820,906,289,488.48/9,515,783.79
  6. Step 6: Final answer
    x = 7,127,201.27

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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.