Home / 8,129,111.81-11,218,670.30-4,691,574.27

Finding the Fourth Proportional to 8,129,111.81, 11,218,670.30 and 4,691,574.27

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Solution

The fourth proportional to 8,129,111.81, 11,218,670.30 and 4,691,574.27 is: 6,474,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,111.81 : 11,218,670.30 = 4,691,574.27 : x
  2. Step 2: Convert to fraction form
    8,129,111.81/11,218,670.30 = 4,691,574.27/x
  3. Step 3: Cross multiply
    8,129,111.81x = 11,218,670.30 × 4,691,574.27
  4. Step 4: Simplify right side
    8,129,111.81x = 52,633,224,934,822.11
  5. Step 5: Solve for x
    x = 52,633,224,934,822.11/8,129,111.81
  6. Step 6: Final answer
    x = 6,474,658.76

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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.