Home / 13,604,456.94-18,773,772.03-7,409,367.78

Finding the Fourth Proportional to 13,604,456.94, 18,773,772.03 and 7,409,367.78

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Solution

The fourth proportional to 13,604,456.94, 18,773,772.03 and 7,409,367.78 is: 10,224,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,456.94 : 18,773,772.03 = 7,409,367.78 : x
  2. Step 2: Convert to fraction form
    13,604,456.94/18,773,772.03 = 7,409,367.78/x
  3. Step 3: Cross multiply
    13,604,456.94x = 18,773,772.03 × 7,409,367.78
  4. Step 4: Simplify right side
    13,604,456.94x = 139,101,781,588,147.20
  5. Step 5: Solve for x
    x = 139,101,781,588,147.20/13,604,456.94
  6. Step 6: Final answer
    x = 10,224,721.37

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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.