Home / 21,506,118.80-32,259,178.20-19,515,462.80

Finding the Fourth Proportional to 21,506,118.80, 32,259,178.20 and 19,515,462.80

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Solution

The fourth proportional to 21,506,118.80, 32,259,178.20 and 19,515,462.80 is: 29,273,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506,118.80 : 32,259,178.20 = 19,515,462.80 : x
  2. Step 2: Convert to fraction form
    21,506,118.80/32,259,178.20 = 19,515,462.80/x
  3. Step 3: Cross multiply
    21,506,118.80x = 32,259,178.20 × 19,515,462.80
  4. Step 4: Simplify right side
    21,506,118.80x = 629,552,792,120,671
  5. Step 5: Solve for x
    x = 629,552,792,120,671/21,506,118.80
  6. Step 6: Final answer
    x = 29,273,194.20

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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.