Home / 7,100,989.60-10,630,489.20-6,685,751.20

Finding the Fourth Proportional to 7,100,989.60, 10,630,489.20 and 6,685,751.20

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Solution

The fourth proportional to 7,100,989.60, 10,630,489.20 and 6,685,751.20 is: 10,008,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,989.60 : 10,630,489.20 = 6,685,751.20 : x
  2. Step 2: Convert to fraction form
    7,100,989.60/10,630,489.20 = 6,685,751.20/x
  3. Step 3: Cross multiply
    7,100,989.60x = 10,630,489.20 × 6,685,751.20
  4. Step 4: Simplify right side
    7,100,989.60x = 71,072,805,925,487.03
  5. Step 5: Solve for x
    x = 71,072,805,925,487.03/7,100,989.60
  6. Step 6: Final answer
    x = 10,008,859.32

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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.