Home / 22,147,014.60-33,220,521.90-21,190,420.80

Finding the Fourth Proportional to 22,147,014.60, 33,220,521.90 and 21,190,420.80

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Solution

The fourth proportional to 22,147,014.60, 33,220,521.90 and 21,190,420.80 is: 31,785,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,014.60 : 33,220,521.90 = 21,190,420.80 : x
  2. Step 2: Convert to fraction form
    22,147,014.60/33,220,521.90 = 21,190,420.80/x
  3. Step 3: Cross multiply
    22,147,014.60x = 33,220,521.90 × 21,190,420.80
  4. Step 4: Simplify right side
    22,147,014.60x = 703,956,838,256,615.50
  5. Step 5: Solve for x
    x = 703,956,838,256,615.50/22,147,014.60
  6. Step 6: Final answer
    x = 31,785,631.20

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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.