Home / 10,778,118.74-16,153,174.83-4,380,920.18

Finding the Fourth Proportional to 10,778,118.74, 16,153,174.83 and 4,380,920.18

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Solution

The fourth proportional to 10,778,118.74, 16,153,174.83 and 4,380,920.18 is: 6,565,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,118.74 : 16,153,174.83 = 4,380,920.18 : x
  2. Step 2: Convert to fraction form
    10,778,118.74/16,153,174.83 = 4,380,920.18/x
  3. Step 3: Cross multiply
    10,778,118.74x = 16,153,174.83 × 4,380,920.18
  4. Step 4: Simplify right side
    10,778,118.74x = 70,765,769,583,815.06
  5. Step 5: Solve for x
    x = 70,765,769,583,815.06/10,778,118.74
  6. Step 6: Final answer
    x = 6,565,688.44

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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.