Home / 15,504,255.96-21,395,873.28-8,630,361.87

Finding the Fourth Proportional to 15,504,255.96, 21,395,873.28 and 8,630,361.87

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Solution

The fourth proportional to 15,504,255.96, 21,395,873.28 and 8,630,361.87 is: 11,909,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,255.96 : 21,395,873.28 = 8,630,361.87 : x
  2. Step 2: Convert to fraction form
    15,504,255.96/21,395,873.28 = 8,630,361.87/x
  3. Step 3: Cross multiply
    15,504,255.96x = 21,395,873.28 × 8,630,361.87
  4. Step 4: Simplify right side
    15,504,255.96x = 184,654,128,931,063.81
  5. Step 5: Solve for x
    x = 184,654,128,931,063.81/15,504,255.96
  6. Step 6: Final answer
    x = 11,909,899.41

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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.