Home / 10,126,396.09-13,974,317.58-5,480,078.32

Finding the Fourth Proportional to 10,126,396.09, 13,974,317.58 and 5,480,078.32

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Solution

The fourth proportional to 10,126,396.09, 13,974,317.58 and 5,480,078.32 is: 7,562,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126,396.09 : 13,974,317.58 = 5,480,078.32 : x
  2. Step 2: Convert to fraction form
    10,126,396.09/13,974,317.58 = 5,480,078.32/x
  3. Step 3: Cross multiply
    10,126,396.09x = 13,974,317.58 × 5,480,078.32
  4. Step 4: Simplify right side
    10,126,396.09x = 76,580,354,806,952.88
  5. Step 5: Solve for x
    x = 76,580,354,806,952.88/10,126,396.09
  6. Step 6: Final answer
    x = 7,562,449.08

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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.