Home / 7,020,442.80-10,530,664.20-4,315,998.60

Finding the Fourth Proportional to 7,020,442.80, 10,530,664.20 and 4,315,998.60

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Solution

The fourth proportional to 7,020,442.80, 10,530,664.20 and 4,315,998.60 is: 6,473,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,442.80 : 10,530,664.20 = 4,315,998.60 : x
  2. Step 2: Convert to fraction form
    7,020,442.80/10,530,664.20 = 4,315,998.60/x
  3. Step 3: Cross multiply
    7,020,442.80x = 10,530,664.20 × 4,315,998.60
  4. Step 4: Simplify right side
    7,020,442.80x = 45,450,331,944,270.11
  5. Step 5: Solve for x
    x = 45,450,331,944,270.11/7,020,442.80
  6. Step 6: Final answer
    x = 6,473,997.90

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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.