Home / 15,263,871.12-21,064,949.91-8,649,741.60

Finding the Fourth Proportional to 15,263,871.12, 21,064,949.91 and 8,649,741.60

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Solution

The fourth proportional to 15,263,871.12, 21,064,949.91 and 8,649,741.60 is: 11,937,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263,871.12 : 21,064,949.91 = 8,649,741.60 : x
  2. Step 2: Convert to fraction form
    15,263,871.12/21,064,949.91 = 8,649,741.60/x
  3. Step 3: Cross multiply
    15,263,871.12x = 21,064,949.91 × 8,649,741.60
  4. Step 4: Simplify right side
    15,263,871.12x = 182,206,373,538,443.25
  5. Step 5: Solve for x
    x = 182,206,373,538,443.25/15,263,871.12
  6. Step 6: Final answer
    x = 11,937,101.15

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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.