Home / 22,195,764.81-33,292,896.80-7,818,456.87

Finding the Fourth Proportional to 22,195,764.81, 33,292,896.80 and 7,818,456.87

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Solution

The fourth proportional to 22,195,764.81, 33,292,896.80 and 7,818,456.87 is: 11,727,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195,764.81 : 33,292,896.80 = 7,818,456.87 : x
  2. Step 2: Convert to fraction form
    22,195,764.81/33,292,896.80 = 7,818,456.87/x
  3. Step 3: Cross multiply
    22,195,764.81x = 33,292,896.80 × 7,818,456.87
  4. Step 4: Simplify right side
    22,195,764.81x = 260,299,077,669,068.75
  5. Step 5: Solve for x
    x = 260,299,077,669,068.75/22,195,764.81
  6. Step 6: Final answer
    x = 11,727,420.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.