Home / 15,380,783.70-23,071,175.55-12,880,022.10

Finding the Fourth Proportional to 15,380,783.70, 23,071,175.55 and 12,880,022.10

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Solution

The fourth proportional to 15,380,783.70, 23,071,175.55 and 12,880,022.10 is: 19,320,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380,783.70 : 23,071,175.55 = 12,880,022.10 : x
  2. Step 2: Convert to fraction form
    15,380,783.70/23,071,175.55 = 12,880,022.10/x
  3. Step 3: Cross multiply
    15,380,783.70x = 23,071,175.55 × 12,880,022.10
  4. Step 4: Simplify right side
    15,380,783.70x = 297,157,250,956,979.62
  5. Step 5: Solve for x
    x = 297,157,250,956,979.62/15,380,783.70
  6. Step 6: Final answer
    x = 19,320,033.15

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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.