Home / 7,113,840.76-9,818,340.78-4,214,863.80

Finding the Fourth Proportional to 7,113,840.76, 9,818,340.78 and 4,214,863.80

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Solution

The fourth proportional to 7,113,840.76, 9,818,340.78 and 4,214,863.80 is: 5,817,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,840.76 : 9,818,340.78 = 4,214,863.80 : x
  2. Step 2: Convert to fraction form
    7,113,840.76/9,818,340.78 = 4,214,863.80/x
  3. Step 3: Cross multiply
    7,113,840.76x = 9,818,340.78 × 4,214,863.80
  4. Step 4: Simplify right side
    7,113,840.76x = 41,382,969,129,685.76
  5. Step 5: Solve for x
    x = 41,382,969,129,685.76/7,113,840.76
  6. Step 6: Final answer
    x = 5,817,247.04

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Double scale
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1.5x scale

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.