Home / 9,132,219.75-12,598,955.41-5,212,193.45

Finding the Fourth Proportional to 9,132,219.75, 12,598,955.41 and 5,212,193.45

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Solution

The fourth proportional to 9,132,219.75, 12,598,955.41 and 5,212,193.45 is: 7,190,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132,219.75 : 12,598,955.41 = 5,212,193.45 : x
  2. Step 2: Convert to fraction form
    9,132,219.75/12,598,955.41 = 5,212,193.45/x
  3. Step 3: Cross multiply
    9,132,219.75x = 12,598,955.41 × 5,212,193.45
  4. Step 4: Simplify right side
    9,132,219.75x = 65,668,192,788,818.81
  5. Step 5: Solve for x
    x = 65,668,192,788,818.81/9,132,219.75
  6. Step 6: Final answer
    x = 7,190,824.86

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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.