Home / 7,776,009.15-11,664,013.73-7,728,769.95

Finding the Fourth Proportional to 7,776,009.15, 11,664,013.73 and 7,728,769.95

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Solution

The fourth proportional to 7,776,009.15, 11,664,013.73 and 7,728,769.95 is: 11,593,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,009.15 : 11,664,013.73 = 7,728,769.95 : x
  2. Step 2: Convert to fraction form
    7,776,009.15/11,664,013.73 = 7,728,769.95/x
  3. Step 3: Cross multiply
    7,776,009.15x = 11,664,013.73 × 7,728,769.95
  4. Step 4: Simplify right side
    7,776,009.15x = 90,148,478,774,167.56
  5. Step 5: Solve for x
    x = 90,148,478,774,167.56/7,776,009.15
  6. Step 6: Final answer
    x = 11,593,154.93

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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.