Home / 8,135,932.74-11,226,769.86-4,872,663.90

Finding the Fourth Proportional to 8,135,932.74, 11,226,769.86 and 4,872,663.90

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Solution

The fourth proportional to 8,135,932.74, 11,226,769.86 and 4,872,663.90 is: 6,723,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135,932.74 : 11,226,769.86 = 4,872,663.90 : x
  2. Step 2: Convert to fraction form
    8,135,932.74/11,226,769.86 = 4,872,663.90/x
  3. Step 3: Cross multiply
    8,135,932.74x = 11,226,769.86 × 4,872,663.90
  4. Step 4: Simplify right side
    8,135,932.74x = 54,704,276,210,430.05
  5. Step 5: Solve for x
    x = 54,704,276,210,430.05/8,135,932.74
  6. Step 6: Final answer
    x = 6,723,786.68

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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.