Home / 28,099,297.28-42,154,962.38-8,404,971

Finding the Fourth Proportional to 28,099,297.28, 42,154,962.38 and 8,404,971

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Solution

The fourth proportional to 28,099,297.28, 42,154,962.38 and 8,404,971 is: 12,609,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099,297.28 : 42,154,962.38 = 8,404,971 : x
  2. Step 2: Convert to fraction form
    28,099,297.28/42,154,962.38 = 8,404,971/x
  3. Step 3: Cross multiply
    28,099,297.28x = 42,154,962.38 × 8,404,971
  4. Step 4: Simplify right side
    28,099,297.28x = 354,311,236,309,991
  5. Step 5: Solve for x
    x = 354,311,236,309,991/28,099,297.28
  6. Step 6: Final answer
    x = 12,609,256.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.