Home / 10,630,117.20-15,945,175.80-7,438,846.80

Finding the Fourth Proportional to 10,630,117.20, 15,945,175.80 and 7,438,846.80

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Solution

The fourth proportional to 10,630,117.20, 15,945,175.80 and 7,438,846.80 is: 11,158,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,117.20 : 15,945,175.80 = 7,438,846.80 : x
  2. Step 2: Convert to fraction form
    10,630,117.20/15,945,175.80 = 7,438,846.80/x
  3. Step 3: Cross multiply
    10,630,117.20x = 15,945,175.80 × 7,438,846.80
  4. Step 4: Simplify right side
    10,630,117.20x = 118,613,719,975,267.44
  5. Step 5: Solve for x
    x = 118,613,719,975,267.44/10,630,117.20
  6. Step 6: Final answer
    x = 11,158,270.20

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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.