Home / 8,472,591-11,684,128.86-5,574,441.24

Finding the Fourth Proportional to 8,472,591, 11,684,128.86 and 5,574,441.24

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Solution

The fourth proportional to 8,472,591, 11,684,128.86 and 5,574,441.24 is: 7,687,434.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,472,591 : 11,684,128.86 = 5,574,441.24 : x
  2. Step 2: Convert to fraction form
    8,472,591/11,684,128.86 = 5,574,441.24/x
  3. Step 3: Cross multiply
    8,472,591x = 11,684,128.86 × 5,574,441.24
  4. Step 4: Simplify right side
    8,472,591x = 65,132,489,770,658.19
  5. Step 5: Solve for x
    x = 65,132,489,770,658.19/8,472,591
  6. Step 6: Final answer
    x = 7,687,434.67

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Double scale
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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.