Home / 9,132,220.75-12,598,956.79-5,212,194.45

Finding the Fourth Proportional to 9,132,220.75, 12,598,956.79 and 5,212,194.45

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Solution

The fourth proportional to 9,132,220.75, 12,598,956.79 and 5,212,194.45 is: 7,190,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132,220.75 : 12,598,956.79 = 5,212,194.45 : x
  2. Step 2: Convert to fraction form
    9,132,220.75/12,598,956.79 = 5,212,194.45/x
  3. Step 3: Cross multiply
    9,132,220.75x = 12,598,956.79 × 5,212,194.45
  4. Step 4: Simplify right side
    9,132,220.75x = 65,668,212,656,627.81
  5. Step 5: Solve for x
    x = 65,668,212,656,627.81/9,132,220.75
  6. Step 6: Final answer
    x = 7,190,826.25

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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.