Home / 21,384,010.10-32,076,015.15-12,859,958.90

Finding the Fourth Proportional to 21,384,010.10, 32,076,015.15 and 12,859,958.90

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Solution

The fourth proportional to 21,384,010.10, 32,076,015.15 and 12,859,958.90 is: 19,289,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,010.10 : 32,076,015.15 = 12,859,958.90 : x
  2. Step 2: Convert to fraction form
    21,384,010.10/32,076,015.15 = 12,859,958.90/x
  3. Step 3: Cross multiply
    21,384,010.10x = 32,076,015.15 × 12,859,958.90
  4. Step 4: Simplify right side
    21,384,010.10x = 412,496,236,504,777.31
  5. Step 5: Solve for x
    x = 412,496,236,504,777.31/21,384,010.10
  6. Step 6: Final answer
    x = 19,289,938.35

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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.