Home / 7,192,081.78-9,927,438.11-5,724,682

Finding the Fourth Proportional to 7,192,081.78, 9,927,438.11 and 5,724,682

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Solution

The fourth proportional to 7,192,081.78, 9,927,438.11 and 5,724,682 is: 7,901,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192,081.78 : 9,927,438.11 = 5,724,682 : x
  2. Step 2: Convert to fraction form
    7,192,081.78/9,927,438.11 = 5,724,682/x
  3. Step 3: Cross multiply
    7,192,081.78x = 9,927,438.11 × 5,724,682
  4. Step 4: Simplify right side
    7,192,081.78x = 56,831,426,254,431.02
  5. Step 5: Solve for x
    x = 56,831,426,254,431.02/7,192,081.78
  6. Step 6: Final answer
    x = 7,901,943.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.