Home / 21,833,186.06-30,129,264.69-12,043,415.90

Finding the Fourth Proportional to 21,833,186.06, 30,129,264.69 and 12,043,415.90

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Solution

The fourth proportional to 21,833,186.06, 30,129,264.69 and 12,043,415.90 is: 16,619,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,833,186.06 : 30,129,264.69 = 12,043,415.90 : x
  2. Step 2: Convert to fraction form
    21,833,186.06/30,129,264.69 = 12,043,415.90/x
  3. Step 3: Cross multiply
    21,833,186.06x = 30,129,264.69 × 12,043,415.90
  4. Step 4: Simplify right side
    21,833,186.06x = 362,859,265,422,854.62
  5. Step 5: Solve for x
    x = 362,859,265,422,854.62/21,833,186.06
  6. Step 6: Final answer
    x = 16,619,620.45

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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.