Home / 22,147,990.40-33,221,985.60-13,600,611.20

Finding the Fourth Proportional to 22,147,990.40, 33,221,985.60 and 13,600,611.20

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Solution

The fourth proportional to 22,147,990.40, 33,221,985.60 and 13,600,611.20 is: 20,400,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,990.40 : 33,221,985.60 = 13,600,611.20 : x
  2. Step 2: Convert to fraction form
    22,147,990.40/33,221,985.60 = 13,600,611.20/x
  3. Step 3: Cross multiply
    22,147,990.40x = 33,221,985.60 × 13,600,611.20
  4. Step 4: Simplify right side
    22,147,990.40x = 451,839,309,437,598.69
  5. Step 5: Solve for x
    x = 451,839,309,437,598.69/22,147,990.40
  6. Step 6: Final answer
    x = 20,400,916.80

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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.