Home / 21,762,624.05-30,032,420.19-11,972,858.21

Finding the Fourth Proportional to 21,762,624.05, 30,032,420.19 and 11,972,858.21

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Solution

The fourth proportional to 21,762,624.05, 30,032,420.19 and 11,972,858.21 is: 16,522,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,624.05 : 30,032,420.19 = 11,972,858.21 : x
  2. Step 2: Convert to fraction form
    21,762,624.05/30,032,420.19 = 11,972,858.21/x
  3. Step 3: Cross multiply
    21,762,624.05x = 30,032,420.19 × 11,972,858.21
  4. Step 4: Simplify right side
    21,762,624.05x = 359,573,908,555,572.56
  5. Step 5: Solve for x
    x = 359,573,908,555,572.56/21,762,624.05
  6. Step 6: Final answer
    x = 16,522,543.78

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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.