Home / 7,977,382.76-11,008,636.62-4,879,679.24

Finding the Fourth Proportional to 7,977,382.76, 11,008,636.62 and 4,879,679.24

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Solution

The fourth proportional to 7,977,382.76, 11,008,636.62 and 4,879,679.24 is: 6,733,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,382.76 : 11,008,636.62 = 4,879,679.24 : x
  2. Step 2: Convert to fraction form
    7,977,382.76/11,008,636.62 = 4,879,679.24/x
  3. Step 3: Cross multiply
    7,977,382.76x = 11,008,636.62 × 4,879,679.24
  4. Step 4: Simplify right side
    7,977,382.76x = 53,718,615,575,317.77
  5. Step 5: Solve for x
    x = 53,718,615,575,317.77/7,977,382.76
  6. Step 6: Final answer
    x = 6,733,864.63

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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.