Home / 15,314,607.48-21,134,300.04-8,439,335.64

Finding the Fourth Proportional to 15,314,607.48, 21,134,300.04 and 8,439,335.64

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Solution

The fourth proportional to 15,314,607.48, 21,134,300.04 and 8,439,335.64 is: 11,646,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314,607.48 : 21,134,300.04 = 8,439,335.64 : x
  2. Step 2: Convert to fraction form
    15,314,607.48/21,134,300.04 = 8,439,335.64/x
  3. Step 3: Cross multiply
    15,314,607.48x = 21,134,300.04 × 8,439,335.64
  4. Step 4: Simplify right side
    15,314,607.48x = 178,359,451,554,025.44
  5. Step 5: Solve for x
    x = 178,359,451,554,025.44/15,314,607.48
  6. Step 6: Final answer
    x = 11,646,361.28

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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.