Home / 21,552,129.20-32,328,193.80-19,213,788.80

Finding the Fourth Proportional to 21,552,129.20, 32,328,193.80 and 19,213,788.80

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Solution

The fourth proportional to 21,552,129.20, 32,328,193.80 and 19,213,788.80 is: 28,820,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,129.20 : 32,328,193.80 = 19,213,788.80 : x
  2. Step 2: Convert to fraction form
    21,552,129.20/32,328,193.80 = 19,213,788.80/x
  3. Step 3: Cross multiply
    21,552,129.20x = 32,328,193.80 × 19,213,788.80
  4. Step 4: Simplify right side
    21,552,129.20x = 621,147,087,958,669.50
  5. Step 5: Solve for x
    x = 621,147,087,958,669.50/21,552,129.20
  6. Step 6: Final answer
    x = 28,820,683.20

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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.