Home / 8,168,111.10-12,225,594.60-6,361,211.70

Finding the Fourth Proportional to 8,168,111.10, 12,225,594.60 and 6,361,211.70

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Solution

The fourth proportional to 8,168,111.10, 12,225,594.60 and 6,361,211.70 is: 9,521,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,111.10 : 12,225,594.60 = 6,361,211.70 : x
  2. Step 2: Convert to fraction form
    8,168,111.10/12,225,594.60 = 6,361,211.70/x
  3. Step 3: Cross multiply
    8,168,111.10x = 12,225,594.60 × 6,361,211.70
  4. Step 4: Simplify right side
    8,168,111.10x = 77,769,595,408,976.81
  5. Step 5: Solve for x
    x = 77,769,595,408,976.81/8,168,111.10
  6. Step 6: Final answer
    x = 9,521,123.61

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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.