Home / 7,342,490.76-10,124,469.36-5,019,762.84

Finding the Fourth Proportional to 7,342,490.76, 10,124,469.36 and 5,019,762.84

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Solution

The fourth proportional to 7,342,490.76, 10,124,469.36 and 5,019,762.84 is: 6,921,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342,490.76 : 10,124,469.36 = 5,019,762.84 : x
  2. Step 2: Convert to fraction form
    7,342,490.76/10,124,469.36 = 5,019,762.84/x
  3. Step 3: Cross multiply
    7,342,490.76x = 10,124,469.36 × 5,019,762.84
  4. Step 4: Simplify right side
    7,342,490.76x = 50,822,435,068,046.58
  5. Step 5: Solve for x
    x = 50,822,435,068,046.58/7,342,490.76
  6. Step 6: Final answer
    x = 6,921,688.67

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Double scale
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Similar ratio
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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.