Home / 8,069,795.91-11,130,018.44-5,169,456.45

Finding the Fourth Proportional to 8,069,795.91, 11,130,018.44 and 5,169,456.45

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Solution

The fourth proportional to 8,069,795.91, 11,130,018.44 and 5,169,456.45 is: 7,129,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069,795.91 : 11,130,018.44 = 5,169,456.45 : x
  2. Step 2: Convert to fraction form
    8,069,795.91/11,130,018.44 = 5,169,456.45/x
  3. Step 3: Cross multiply
    8,069,795.91x = 11,130,018.44 × 5,169,456.45
  4. Step 4: Simplify right side
    8,069,795.91x = 57,536,145,587,429.66
  5. Step 5: Solve for x
    x = 57,536,145,587,429.66/8,069,795.91
  6. Step 6: Final answer
    x = 7,129,814.21

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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.