Home / 21,866,014-30,174,922.20-12,077,129.26

Finding the Fourth Proportional to 21,866,014, 30,174,922.20 and 12,077,129.26

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Solution

The fourth proportional to 21,866,014, 30,174,922.20 and 12,077,129.26 is: 16,666,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,866,014 : 30,174,922.20 = 12,077,129.26 : x
  2. Step 2: Convert to fraction form
    21,866,014/30,174,922.20 = 12,077,129.26/x
  3. Step 3: Cross multiply
    21,866,014x = 30,174,922.20 × 12,077,129.26
  4. Step 4: Simplify right side
    21,866,014x = 364,426,435,819,843.56
  5. Step 5: Solve for x
    x = 364,426,435,819,843.56/21,866,014
  6. Step 6: Final answer
    x = 16,666,340.55

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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.