Home / 14,749,435.12-20,354,147.76-8,555,734.48

Finding the Fourth Proportional to 14,749,435.12, 20,354,147.76 and 8,555,734.48

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Solution

The fourth proportional to 14,749,435.12, 20,354,147.76 and 8,555,734.48 is: 11,806,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749,435.12 : 20,354,147.76 = 8,555,734.48 : x
  2. Step 2: Convert to fraction form
    14,749,435.12/20,354,147.76 = 8,555,734.48/x
  3. Step 3: Cross multiply
    14,749,435.12x = 20,354,147.76 × 8,555,734.48
  4. Step 4: Simplify right side
    14,749,435.12x = 174,144,683,801,246.78
  5. Step 5: Solve for x
    x = 174,144,683,801,246.78/14,749,435.12
  6. Step 6: Final answer
    x = 11,806,871.41

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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.