Home / 7,152,023.90-10,728,035.85-3,113,072.30

Finding the Fourth Proportional to 7,152,023.90, 10,728,035.85 and 3,113,072.30

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Solution

The fourth proportional to 7,152,023.90, 10,728,035.85 and 3,113,072.30 is: 4,669,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,023.90 : 10,728,035.85 = 3,113,072.30 : x
  2. Step 2: Convert to fraction form
    7,152,023.90/10,728,035.85 = 3,113,072.30/x
  3. Step 3: Cross multiply
    7,152,023.90x = 10,728,035.85 × 3,113,072.30
  4. Step 4: Simplify right side
    7,152,023.90x = 33,397,151,238,041.95
  5. Step 5: Solve for x
    x = 33,397,151,238,041.95/7,152,023.90
  6. Step 6: Final answer
    x = 4,669,608.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.