Home / 7,990,861.64-11,030,387.80-5,237,726.44

Finding the Fourth Proportional to 7,990,861.64, 11,030,387.80 and 5,237,726.44

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Solution

The fourth proportional to 7,990,861.64, 11,030,387.80 and 5,237,726.44 is: 7,230,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,861.64 : 11,030,387.80 = 5,237,726.44 : x
  2. Step 2: Convert to fraction form
    7,990,861.64/11,030,387.80 = 5,237,726.44/x
  3. Step 3: Cross multiply
    7,990,861.64x = 11,030,387.80 × 5,237,726.44
  4. Step 4: Simplify right side
    7,990,861.64x = 57,774,153,823,513.44
  5. Step 5: Solve for x
    x = 57,774,153,823,513.44/7,990,861.64
  6. Step 6: Final answer
    x = 7,230,028.05

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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.