Home / 8,278,462.41-12,417,697.05-3,724,191.63

Finding the Fourth Proportional to 8,278,462.41, 12,417,697.05 and 3,724,191.63

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Solution

The fourth proportional to 8,278,462.41, 12,417,697.05 and 3,724,191.63 is: 5,586,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,462.41 : 12,417,697.05 = 3,724,191.63 : x
  2. Step 2: Convert to fraction form
    8,278,462.41/12,417,697.05 = 3,724,191.63/x
  3. Step 3: Cross multiply
    8,278,462.41x = 12,417,697.05 × 3,724,191.63
  4. Step 4: Simplify right side
    8,278,462.41x = 46,245,883,417,485.70
  5. Step 5: Solve for x
    x = 46,245,883,417,485.70/8,278,462.41
  6. Step 6: Final answer
    x = 5,586,288.99

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Double scale
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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.