Home / 7,477,608.16-11,200,140.78-4,915,931.32

Finding the Fourth Proportional to 7,477,608.16, 11,200,140.78 and 4,915,931.32

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Solution

The fourth proportional to 7,477,608.16, 11,200,140.78 and 4,915,931.32 is: 7,363,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,608.16 : 11,200,140.78 = 4,915,931.32 : x
  2. Step 2: Convert to fraction form
    7,477,608.16/11,200,140.78 = 4,915,931.32/x
  3. Step 3: Cross multiply
    7,477,608.16x = 11,200,140.78 × 4,915,931.32
  4. Step 4: Simplify right side
    7,477,608.16x = 55,059,122,848,811.23
  5. Step 5: Solve for x
    x = 55,059,122,848,811.23/7,477,608.16
  6. Step 6: Final answer
    x = 7,363,199.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.