Home / 7,208,830.12-10,816,972.74-3,168,153.16

Finding the Fourth Proportional to 7,208,830.12, 10,816,972.74 and 3,168,153.16

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Solution

The fourth proportional to 7,208,830.12, 10,816,972.74 and 3,168,153.16 is: 4,753,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,830.12 : 10,816,972.74 = 3,168,153.16 : x
  2. Step 2: Convert to fraction form
    7,208,830.12/10,816,972.74 = 3,168,153.16/x
  3. Step 3: Cross multiply
    7,208,830.12x = 10,816,972.74 × 3,168,153.16
  4. Step 4: Simplify right side
    7,208,830.12x = 34,269,826,367,864.86
  5. Step 5: Solve for x
    x = 34,269,826,367,864.86/7,208,830.12
  6. Step 6: Final answer
    x = 4,753,867.94

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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.