Home / 7,977,381.76-11,008,635.24-4,879,678.24

Finding the Fourth Proportional to 7,977,381.76, 11,008,635.24 and 4,879,678.24

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Solution

The fourth proportional to 7,977,381.76, 11,008,635.24 and 4,879,678.24 is: 6,733,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,381.76 : 11,008,635.24 = 4,879,678.24 : x
  2. Step 2: Convert to fraction form
    7,977,381.76/11,008,635.24 = 4,879,678.24/x
  3. Step 3: Cross multiply
    7,977,381.76x = 11,008,635.24 × 4,879,678.24
  4. Step 4: Simplify right side
    7,977,381.76x = 53,718,597,832,725.18
  5. Step 5: Solve for x
    x = 53,718,597,832,725.18/7,977,381.76
  6. Step 6: Final answer
    x = 6,733,863.25

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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.