Home / 20,362,447.04-28,099,453.92-11,195,023.04

Finding the Fourth Proportional to 20,362,447.04, 28,099,453.92 and 11,195,023.04

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Solution

The fourth proportional to 20,362,447.04, 28,099,453.92 and 11,195,023.04 is: 15,448,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,447.04 : 28,099,453.92 = 11,195,023.04 : x
  2. Step 2: Convert to fraction form
    20,362,447.04/28,099,453.92 = 11,195,023.04/x
  3. Step 3: Cross multiply
    20,362,447.04x = 28,099,453.92 × 11,195,023.04
  4. Step 4: Simplify right side
    20,362,447.04x = 314,574,034,045,818.31
  5. Step 5: Solve for x
    x = 314,574,034,045,818.31/20,362,447.04
  6. Step 6: Final answer
    x = 15,448,734.30

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1.5x scale

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.