Home / 7,174,138.60-10,761,207.90-2,685,831.40

Finding the Fourth Proportional to 7,174,138.60, 10,761,207.90 and 2,685,831.40

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Solution

The fourth proportional to 7,174,138.60, 10,761,207.90 and 2,685,831.40 is: 4,028,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174,138.60 : 10,761,207.90 = 2,685,831.40 : x
  2. Step 2: Convert to fraction form
    7,174,138.60/10,761,207.90 = 2,685,831.40/x
  3. Step 3: Cross multiply
    7,174,138.60x = 10,761,207.90 × 2,685,831.40
  4. Step 4: Simplify right side
    7,174,138.60x = 28,902,790,079,748.06
  5. Step 5: Solve for x
    x = 28,902,790,079,748.06/7,174,138.60
  6. Step 6: Final answer
    x = 4,028,747.10

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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.