Home / 9,220,842.92-12,724,703.75-5,091,131.42

Finding the Fourth Proportional to 9,220,842.92, 12,724,703.75 and 5,091,131.42

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Solution

The fourth proportional to 9,220,842.92, 12,724,703.75 and 5,091,131.42 is: 7,025,728.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220,842.92 : 12,724,703.75 = 5,091,131.42 : x
  2. Step 2: Convert to fraction form
    9,220,842.92/12,724,703.75 = 5,091,131.42/x
  3. Step 3: Cross multiply
    9,220,842.92x = 12,724,703.75 × 5,091,131.42
  4. Step 4: Simplify right side
    9,220,842.92x = 64,783,139,046,361.16
  5. Step 5: Solve for x
    x = 64,783,139,046,361.16/9,220,842.92
  6. Step 6: Final answer
    x = 7,025,728.52

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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.