Home / 8,077,212.40-12,115,818.60-7,368,624.40

Finding the Fourth Proportional to 8,077,212.40, 12,115,818.60 and 7,368,624.40

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Solution

The fourth proportional to 8,077,212.40, 12,115,818.60 and 7,368,624.40 is: 11,052,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,212.40 : 12,115,818.60 = 7,368,624.40 : x
  2. Step 2: Convert to fraction form
    8,077,212.40/12,115,818.60 = 7,368,624.40/x
  3. Step 3: Cross multiply
    8,077,212.40x = 12,115,818.60 × 7,368,624.40
  4. Step 4: Simplify right side
    8,077,212.40x = 89,276,916,561,933.84
  5. Step 5: Solve for x
    x = 89,276,916,561,933.84/8,077,212.40
  6. Step 6: Final answer
    x = 11,052,936.60

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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.