Home / 17,387,821.20-26,056,848.60-12,062,816.40

Finding the Fourth Proportional to 17,387,821.20, 26,056,848.60 and 12,062,816.40

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Solution

The fourth proportional to 17,387,821.20, 26,056,848.60 and 12,062,816.40 is: 18,076,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387,821.20 : 26,056,848.60 = 12,062,816.40 : x
  2. Step 2: Convert to fraction form
    17,387,821.20/26,056,848.60 = 12,062,816.40/x
  3. Step 3: Cross multiply
    17,387,821.20x = 26,056,848.60 × 12,062,816.40
  4. Step 4: Simplify right side
    17,387,821.20x = 314,318,980,624,397.06
  5. Step 5: Solve for x
    x = 314,318,980,624,397.06/17,387,821.20
  6. Step 6: Final answer
    x = 18,076,961.86

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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.