Home / 21,595,868.92-32,401,985.46-12,965,996.08

Finding the Fourth Proportional to 21,595,868.92, 32,401,985.46 and 12,965,996.08

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Solution

The fourth proportional to 21,595,868.92, 32,401,985.46 and 12,965,996.08 is: 19,453,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595,868.92 : 32,401,985.46 = 12,965,996.08 : x
  2. Step 2: Convert to fraction form
    21,595,868.92/32,401,985.46 = 12,965,996.08/x
  3. Step 3: Cross multiply
    21,595,868.92x = 32,401,985.46 × 12,965,996.08
  4. Step 4: Simplify right side
    21,595,868.92x = 420,124,016,458,577
  5. Step 5: Solve for x
    x = 420,124,016,458,577/21,595,868.92
  6. Step 6: Final answer
    x = 19,453,906.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.