Home / 13,480,331.10-20,220,496.65-3,896,022.30

Finding the Fourth Proportional to 13,480,331.10, 20,220,496.65 and 3,896,022.30

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Solution

The fourth proportional to 13,480,331.10, 20,220,496.65 and 3,896,022.30 is: 5,844,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,331.10 : 20,220,496.65 = 3,896,022.30 : x
  2. Step 2: Convert to fraction form
    13,480,331.10/20,220,496.65 = 3,896,022.30/x
  3. Step 3: Cross multiply
    13,480,331.10x = 20,220,496.65 × 3,896,022.30
  4. Step 4: Simplify right side
    13,480,331.10x = 78,779,505,865,475.28
  5. Step 5: Solve for x
    x = 78,779,505,865,475.28/13,480,331.10
  6. Step 6: Final answer
    x = 5,844,033.45

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Double scale
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Similar ratio
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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.