Home / 7,780,867.92-10,739,389.32-4,562,640.72

Finding the Fourth Proportional to 7,780,867.92, 10,739,389.32 and 4,562,640.72

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Solution

The fourth proportional to 7,780,867.92, 10,739,389.32 and 4,562,640.72 is: 6,297,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,867.92 : 10,739,389.32 = 4,562,640.72 : x
  2. Step 2: Convert to fraction form
    7,780,867.92/10,739,389.32 = 4,562,640.72/x
  3. Step 3: Cross multiply
    7,780,867.92x = 10,739,389.32 × 4,562,640.72
  4. Step 4: Simplify right side
    7,780,867.92x = 48,999,975,019,365.11
  5. Step 5: Solve for x
    x = 48,999,975,019,365.11/7,780,867.92
  6. Step 6: Final answer
    x = 6,297,494.77

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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.