Home / 20,548,398.04-30,798,724.74-7,760,766.04

Finding the Fourth Proportional to 20,548,398.04, 30,798,724.74 and 7,760,766.04

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Solution

The fourth proportional to 20,548,398.04, 30,798,724.74 and 7,760,766.04 is: 11,632,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,398.04 : 30,798,724.74 = 7,760,766.04 : x
  2. Step 2: Convert to fraction form
    20,548,398.04/30,798,724.74 = 7,760,766.04/x
  3. Step 3: Cross multiply
    20,548,398.04x = 30,798,724.74 × 7,760,766.04
  4. Step 4: Simplify right side
    20,548,398.04x = 239,021,697,037,499.81
  5. Step 5: Solve for x
    x = 239,021,697,037,499.81/20,548,398.04
  6. Step 6: Final answer
    x = 11,632,132.91

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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.