Home / 21,657,776.69-29,887,732.18-11,868,606.14

Finding the Fourth Proportional to 21,657,776.69, 29,887,732.18 and 11,868,606.14

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Solution

The fourth proportional to 21,657,776.69, 29,887,732.18 and 11,868,606.14 is: 16,378,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657,776.69 : 29,887,732.18 = 11,868,606.14 : x
  2. Step 2: Convert to fraction form
    21,657,776.69/29,887,732.18 = 11,868,606.14/x
  3. Step 3: Cross multiply
    21,657,776.69x = 29,887,732.18 × 11,868,606.14
  4. Step 4: Simplify right side
    21,657,776.69x = 354,725,721,527,620.69
  5. Step 5: Solve for x
    x = 354,725,721,527,620.69/21,657,776.69
  6. Step 6: Final answer
    x = 16,378,676.66

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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.