Home / 6,178,905.80-9,268,358.70-4,158,117.80

Finding the Fourth Proportional to 6,178,905.80, 9,268,358.70 and 4,158,117.80

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Solution

The fourth proportional to 6,178,905.80, 9,268,358.70 and 4,158,117.80 is: 6,237,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178,905.80 : 9,268,358.70 = 4,158,117.80 : x
  2. Step 2: Convert to fraction form
    6,178,905.80/9,268,358.70 = 4,158,117.80/x
  3. Step 3: Cross multiply
    6,178,905.80x = 9,268,358.70 × 4,158,117.80
  4. Step 4: Simplify right side
    6,178,905.80x = 38,538,927,287,254.85
  5. Step 5: Solve for x
    x = 38,538,927,287,254.85/6,178,905.80
  6. Step 6: Final answer
    x = 6,237,176.70

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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.