Home / 13,480,362.40-20,220,543.60-3,896,053.60

Finding the Fourth Proportional to 13,480,362.40, 20,220,543.60 and 3,896,053.60

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Solution

The fourth proportional to 13,480,362.40, 20,220,543.60 and 3,896,053.60 is: 5,844,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,362.40 : 20,220,543.60 = 3,896,053.60 : x
  2. Step 2: Convert to fraction form
    13,480,362.40/20,220,543.60 = 3,896,053.60/x
  3. Step 3: Cross multiply
    13,480,362.40x = 20,220,543.60 × 3,896,053.60
  4. Step 4: Simplify right side
    13,480,362.40x = 78,780,321,686,736.97
  5. Step 5: Solve for x
    x = 78,780,321,686,736.97/13,480,362.40
  6. Step 6: Final answer
    x = 5,844,080.40

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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.