Home / 7,182,838.48-9,912,527.80-3,919,863.92

Finding the Fourth Proportional to 7,182,838.48, 9,912,527.80 and 3,919,863.92

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Solution

The fourth proportional to 7,182,838.48, 9,912,527.80 and 3,919,863.92 is: 5,409,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,838.48 : 9,912,527.80 = 3,919,863.92 : x
  2. Step 2: Convert to fraction form
    7,182,838.48/9,912,527.80 = 3,919,863.92/x
  3. Step 3: Cross multiply
    7,182,838.48x = 9,912,527.80 × 3,919,863.92
  4. Step 4: Simplify right side
    7,182,838.48x = 38,855,760,079,216.98
  5. Step 5: Solve for x
    x = 38,855,760,079,216.98/7,182,838.48
  6. Step 6: Final answer
    x = 5,409,527.19

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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.