Home / 7,178,816.52-10,765,895.04-2,385,218.88

Finding the Fourth Proportional to 7,178,816.52, 10,765,895.04 and 2,385,218.88

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Solution

The fourth proportional to 7,178,816.52, 10,765,895.04 and 2,385,218.88 is: 3,577,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,816.52 : 10,765,895.04 = 2,385,218.88 : x
  2. Step 2: Convert to fraction form
    7,178,816.52/10,765,895.04 = 2,385,218.88/x
  3. Step 3: Cross multiply
    7,178,816.52x = 10,765,895.04 × 2,385,218.88
  4. Step 4: Simplify right side
    7,178,816.52x = 25,679,016,109,506.35
  5. Step 5: Solve for x
    x = 25,679,016,109,506.35/7,178,816.52
  6. Step 6: Final answer
    x = 3,577,054.25

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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.