Home / 19,017,978.26-26,215,689.29-11,662,171.43

Finding the Fourth Proportional to 19,017,978.26, 26,215,689.29 and 11,662,171.43

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Solution

The fourth proportional to 19,017,978.26, 26,215,689.29 and 11,662,171.43 is: 16,075,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017,978.26 : 26,215,689.29 = 11,662,171.43 : x
  2. Step 2: Convert to fraction form
    19,017,978.26/26,215,689.29 = 11,662,171.43/x
  3. Step 3: Cross multiply
    19,017,978.26x = 26,215,689.29 × 11,662,171.43
  4. Step 4: Simplify right side
    19,017,978.26x = 305,731,862,466,205.69
  5. Step 5: Solve for x
    x = 305,731,862,466,205.69/19,017,978.26
  6. Step 6: Final answer
    x = 16,075,939.22

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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.