Home / 7,776,005.70-11,664,008.55-6,544,287.30

Finding the Fourth Proportional to 7,776,005.70, 11,664,008.55 and 6,544,287.30

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Solution

The fourth proportional to 7,776,005.70, 11,664,008.55 and 6,544,287.30 is: 9,816,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,005.70 : 11,664,008.55 = 6,544,287.30 : x
  2. Step 2: Convert to fraction form
    7,776,005.70/11,664,008.55 = 6,544,287.30/x
  3. Step 3: Cross multiply
    7,776,005.70x = 11,664,008.55 × 6,544,287.30
  4. Step 4: Simplify right side
    7,776,005.70x = 76,332,623,020,856.42
  5. Step 5: Solve for x
    x = 76,332,623,020,856.42/7,776,005.70
  6. Step 6: Final answer
    x = 9,816,430.95

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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.