Home / 15,654,519.75-21,604,259.07-9,039,387.45

Finding the Fourth Proportional to 15,654,519.75, 21,604,259.07 and 9,039,387.45

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Solution

The fourth proportional to 15,654,519.75, 21,604,259.07 and 9,039,387.45 is: 12,474,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,654,519.75 : 21,604,259.07 = 9,039,387.45 : x
  2. Step 2: Convert to fraction form
    15,654,519.75/21,604,259.07 = 9,039,387.45/x
  3. Step 3: Cross multiply
    15,654,519.75x = 21,604,259.07 × 9,039,387.45
  4. Step 4: Simplify right side
    15,654,519.75x = 195,289,268,303,906.66
  5. Step 5: Solve for x
    x = 195,289,268,303,906.66/15,654,519.75
  6. Step 6: Final answer
    x = 12,474,944.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.