Home / 28,566,090.45-42,843,406.77-13,986,728.33

Finding the Fourth Proportional to 28,566,090.45, 42,843,406.77 and 13,986,728.33

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Solution

The fourth proportional to 28,566,090.45, 42,843,406.77 and 13,986,728.33 is: 20,977,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566,090.45 : 42,843,406.77 = 13,986,728.33 : x
  2. Step 2: Convert to fraction form
    28,566,090.45/42,843,406.77 = 13,986,728.33/x
  3. Step 3: Cross multiply
    28,566,090.45x = 42,843,406.77 × 13,986,728.33
  4. Step 4: Simplify right side
    28,566,090.45x = 599,239,091,009,455.75
  5. Step 5: Solve for x
    x = 599,239,091,009,455.75/28,566,090.45
  6. Step 6: Final answer
    x = 20,977,287.46

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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.