Home / 18,830,053.80-28,245,080.70-5,365,132.20

Finding the Fourth Proportional to 18,830,053.80, 28,245,080.70 and 5,365,132.20

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Solution

The fourth proportional to 18,830,053.80, 28,245,080.70 and 5,365,132.20 is: 8,047,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830,053.80 : 28,245,080.70 = 5,365,132.20 : x
  2. Step 2: Convert to fraction form
    18,830,053.80/28,245,080.70 = 5,365,132.20/x
  3. Step 3: Cross multiply
    18,830,053.80x = 28,245,080.70 × 5,365,132.20
  4. Step 4: Simplify right side
    18,830,053.80x = 151,538,591,955,168.53
  5. Step 5: Solve for x
    x = 151,538,591,955,168.53/18,830,053.80
  6. Step 6: Final answer
    x = 8,047,698.30

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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.