Home / 9,190,007.28-12,685,680.14-7,224,758.15

Finding the Fourth Proportional to 9,190,007.28, 12,685,680.14 and 7,224,758.15

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Solution

The fourth proportional to 9,190,007.28, 12,685,680.14 and 7,224,758.15 is: 9,972,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190,007.28 : 12,685,680.14 = 7,224,758.15 : x
  2. Step 2: Convert to fraction form
    9,190,007.28/12,685,680.14 = 7,224,758.15/x
  3. Step 3: Cross multiply
    9,190,007.28x = 12,685,680.14 × 7,224,758.15
  4. Step 4: Simplify right side
    9,190,007.28x = 91,650,970,880,205.94
  5. Step 5: Solve for x
    x = 91,650,970,880,205.94/9,190,007.28
  6. Step 6: Final answer
    x = 9,972,894.26

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1.5x scale

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.