Home / 8,781,138.79-13,162,099.56-4,521,562.63

Finding the Fourth Proportional to 8,781,138.79, 13,162,099.56 and 4,521,562.63

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Solution

The fourth proportional to 8,781,138.79, 13,162,099.56 and 4,521,562.63 is: 6,777,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,138.79 : 13,162,099.56 = 4,521,562.63 : x
  2. Step 2: Convert to fraction form
    8,781,138.79/13,162,099.56 = 4,521,562.63/x
  3. Step 3: Cross multiply
    8,781,138.79x = 13,162,099.56 × 4,521,562.63
  4. Step 4: Simplify right side
    8,781,138.79x = 59,513,257,502,835.45
  5. Step 5: Solve for x
    x = 59,513,257,502,835.45/8,781,138.79
  6. Step 6: Final answer
    x = 6,777,396.30

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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.