Home / 14,268,727.80-21,387,345.30-7,883,562.60

Finding the Fourth Proportional to 14,268,727.80, 21,387,345.30 and 7,883,562.60

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Solution

The fourth proportional to 14,268,727.80, 21,387,345.30 and 7,883,562.60 is: 11,816,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268,727.80 : 21,387,345.30 = 7,883,562.60 : x
  2. Step 2: Convert to fraction form
    14,268,727.80/21,387,345.30 = 7,883,562.60/x
  3. Step 3: Cross multiply
    14,268,727.80x = 21,387,345.30 × 7,883,562.60
  4. Step 4: Simplify right side
    14,268,727.80x = 168,608,475,520,365.78
  5. Step 5: Solve for x
    x = 168,608,475,520,365.78/14,268,727.80
  6. Step 6: Final answer
    x = 11,816,643.91

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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.