Home / 9,332,820.20-12,879,346.93-5,414,909.18

Finding the Fourth Proportional to 9,332,820.20, 12,879,346.93 and 5,414,909.18

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Solution

The fourth proportional to 9,332,820.20, 12,879,346.93 and 5,414,909.18 is: 7,472,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332,820.20 : 12,879,346.93 = 5,414,909.18 : x
  2. Step 2: Convert to fraction form
    9,332,820.20/12,879,346.93 = 5,414,909.18/x
  3. Step 3: Cross multiply
    9,332,820.20x = 12,879,346.93 × 5,414,909.18
  4. Step 4: Simplify right side
    9,332,820.20x = 69,740,493,845,727.81
  5. Step 5: Solve for x
    x = 69,740,493,845,727.81/9,332,820.20
  6. Step 6: Final answer
    x = 7,472,606.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.