Home / 21,912,197.92-30,238,810.32-12,254,405.92

Finding the Fourth Proportional to 21,912,197.92, 30,238,810.32 and 12,254,405.92

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Solution

The fourth proportional to 21,912,197.92, 30,238,810.32 and 12,254,405.92 is: 16,911,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,912,197.92 : 30,238,810.32 = 12,254,405.92 : x
  2. Step 2: Convert to fraction form
    21,912,197.92/30,238,810.32 = 12,254,405.92/x
  3. Step 3: Cross multiply
    21,912,197.92x = 30,238,810.32 × 12,254,405.92
  4. Step 4: Simplify right side
    21,912,197.92x = 370,558,656,199,165.12
  5. Step 5: Solve for x
    x = 370,558,656,199,165.12/21,912,197.92
  6. Step 6: Final answer
    x = 16,911,067.41

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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.