Home / 21,833,187.06-30,129,266.07-12,043,416.90

Finding the Fourth Proportional to 21,833,187.06, 30,129,266.07 and 12,043,416.90

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Solution

The fourth proportional to 21,833,187.06, 30,129,266.07 and 12,043,416.90 is: 16,619,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,833,187.06 : 30,129,266.07 = 12,043,416.90 : x
  2. Step 2: Convert to fraction form
    21,833,187.06/30,129,266.07 = 12,043,416.90/x
  3. Step 3: Cross multiply
    21,833,187.06x = 30,129,266.07 × 12,043,416.90
  4. Step 4: Simplify right side
    21,833,187.06x = 362,859,312,172,034.62
  5. Step 5: Solve for x
    x = 362,859,312,172,034.62/21,833,187.06
  6. Step 6: Final answer
    x = 16,619,621.83

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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.