Home / 20,586,312.60-28,408,563.18-11,884,191

Finding the Fourth Proportional to 20,586,312.60, 28,408,563.18 and 11,884,191

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Solution

The fourth proportional to 20,586,312.60, 28,408,563.18 and 11,884,191 is: 16,399,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586,312.60 : 28,408,563.18 = 11,884,191 : x
  2. Step 2: Convert to fraction form
    20,586,312.60/28,408,563.18 = 11,884,191/x
  3. Step 3: Cross multiply
    20,586,312.60x = 28,408,563.18 × 11,884,191
  4. Step 4: Simplify right side
    20,586,312.60x = 337,612,790,866,687.38
  5. Step 5: Solve for x
    x = 337,612,790,866,687.38/20,586,312.60
  6. Step 6: Final answer
    x = 16,399,867.11

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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.