Home / 18,702,506.40-28,046,761.20-6,567,280.80

Finding the Fourth Proportional to 18,702,506.40, 28,046,761.20 and 6,567,280.80

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Solution

The fourth proportional to 18,702,506.40, 28,046,761.20 and 6,567,280.80 is: 9,848,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,702,506.40 : 28,046,761.20 = 6,567,280.80 : x
  2. Step 2: Convert to fraction form
    18,702,506.40/28,046,761.20 = 6,567,280.80/x
  3. Step 3: Cross multiply
    18,702,506.40x = 28,046,761.20 × 6,567,280.80
  4. Step 4: Simplify right side
    18,702,506.40x = 184,190,956,330,944.94
  5. Step 5: Solve for x
    x = 184,190,956,330,944.94/18,702,506.40
  6. Step 6: Final answer
    x = 9,848,463.75

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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.