Home / 7,065,138.20-9,749,853.77-3,967,792.16

Finding the Fourth Proportional to 7,065,138.20, 9,749,853.77 and 3,967,792.16

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Solution

The fourth proportional to 7,065,138.20, 9,749,853.77 and 3,967,792.16 is: 5,475,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065,138.20 : 9,749,853.77 = 3,967,792.16 : x
  2. Step 2: Convert to fraction form
    7,065,138.20/9,749,853.77 = 3,967,792.16/x
  3. Step 3: Cross multiply
    7,065,138.20x = 9,749,853.77 × 3,967,792.16
  4. Step 4: Simplify right side
    7,065,138.20x = 38,685,393,281,164.21
  5. Step 5: Solve for x
    x = 38,685,393,281,164.21/7,065,138.20
  6. Step 6: Final answer
    x = 5,475,532.43

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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.