Home / 14,123,772.36-21,158,918.82-8,349,217.56

Finding the Fourth Proportional to 14,123,772.36, 21,158,918.82 and 8,349,217.56

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Solution

The fourth proportional to 14,123,772.36, 21,158,918.82 and 8,349,217.56 is: 12,508,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123,772.36 : 21,158,918.82 = 8,349,217.56 : x
  2. Step 2: Convert to fraction form
    14,123,772.36/21,158,918.82 = 8,349,217.56/x
  3. Step 3: Cross multiply
    14,123,772.36x = 21,158,918.82 × 8,349,217.56
  4. Step 4: Simplify right side
    14,123,772.36x = 176,660,416,562,558.47
  5. Step 5: Solve for x
    x = 176,660,416,562,558.47/14,123,772.36
  6. Step 6: Final answer
    x = 12,508,019.25

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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.