Home / 7,665,557.66-11,506,311.75-5,646,081.86

Finding the Fourth Proportional to 7,665,557.66, 11,506,311.75 and 5,646,081.86

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Solution

The fourth proportional to 7,665,557.66, 11,506,311.75 and 5,646,081.86 is: 8,474,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,557.66 : 11,506,311.75 = 5,646,081.86 : x
  2. Step 2: Convert to fraction form
    7,665,557.66/11,506,311.75 = 5,646,081.86/x
  3. Step 3: Cross multiply
    7,665,557.66x = 11,506,311.75 × 5,646,081.86
  4. Step 4: Simplify right side
    7,665,557.66x = 64,965,578,047,179.86
  5. Step 5: Solve for x
    x = 64,965,578,047,179.86/7,665,557.66
  6. Step 6: Final answer
    x = 8,474,996.98

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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.