Home / 8,508,905.76-11,742,364.89-4,641,444.12

Finding the Fourth Proportional to 8,508,905.76, 11,742,364.89 and 4,641,444.12

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Solution

The fourth proportional to 8,508,905.76, 11,742,364.89 and 4,641,444.12 is: 6,405,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,905.76 : 11,742,364.89 = 4,641,444.12 : x
  2. Step 2: Convert to fraction form
    8,508,905.76/11,742,364.89 = 4,641,444.12/x
  3. Step 3: Cross multiply
    8,508,905.76x = 11,742,364.89 × 4,641,444.12
  4. Step 4: Simplify right side
    8,508,905.76x = 54,501,530,473,584.95
  5. Step 5: Solve for x
    x = 54,501,530,473,584.95/8,508,905.76
  6. Step 6: Final answer
    x = 6,405,233.76

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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.