Home / 13,293,042.20-18,350,527.01-7,785,656.79

Finding the Fourth Proportional to 13,293,042.20, 18,350,527.01 and 7,785,656.79

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Solution

The fourth proportional to 13,293,042.20, 18,350,527.01 and 7,785,656.79 is: 10,747,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,042.20 : 18,350,527.01 = 7,785,656.79 : x
  2. Step 2: Convert to fraction form
    13,293,042.20/18,350,527.01 = 7,785,656.79/x
  3. Step 3: Cross multiply
    13,293,042.20x = 18,350,527.01 × 7,785,656.79
  4. Step 4: Simplify right side
    13,293,042.20x = 142,870,905,215,484.91
  5. Step 5: Solve for x
    x = 142,870,905,215,484.91/13,293,042.20
  6. Step 6: Final answer
    x = 10,747,795.96

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