Home / 7,039,992.50-9,715,189.65-3,820,728.50

Finding the Fourth Proportional to 7,039,992.50, 9,715,189.65 and 3,820,728.50

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Solution

The fourth proportional to 7,039,992.50, 9,715,189.65 and 3,820,728.50 is: 5,272,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039,992.50 : 9,715,189.65 = 3,820,728.50 : x
  2. Step 2: Convert to fraction form
    7,039,992.50/9,715,189.65 = 3,820,728.50/x
  3. Step 3: Cross multiply
    7,039,992.50x = 9,715,189.65 × 3,820,728.50
  4. Step 4: Simplify right side
    7,039,992.50x = 37,119,101,978,660.02
  5. Step 5: Solve for x
    x = 37,119,101,978,660.02/7,039,992.50
  6. Step 6: Final answer
    x = 5,272,605.33

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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.