Home / 8,685,408.76-13,014,827.58-4,642,471.96

Finding the Fourth Proportional to 8,685,408.76, 13,014,827.58 and 4,642,471.96

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Solution

The fourth proportional to 8,685,408.76, 13,014,827.58 and 4,642,471.96 is: 6,956,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,408.76 : 13,014,827.58 = 4,642,471.96 : x
  2. Step 2: Convert to fraction form
    8,685,408.76/13,014,827.58 = 4,642,471.96/x
  3. Step 3: Cross multiply
    8,685,408.76x = 13,014,827.58 × 4,642,471.96
  4. Step 4: Simplify right side
    8,685,408.76x = 60,420,972,104,384.66
  5. Step 5: Solve for x
    x = 60,420,972,104,384.66/8,685,408.76
  6. Step 6: Final answer
    x = 6,956,606.62

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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.