Home / 13,736,287.20-18,956,149.56-8,582,637.90

Finding the Fourth Proportional to 13,736,287.20, 18,956,149.56 and 8,582,637.90

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Solution

The fourth proportional to 13,736,287.20, 18,956,149.56 and 8,582,637.90 is: 11,844,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736,287.20 : 18,956,149.56 = 8,582,637.90 : x
  2. Step 2: Convert to fraction form
    13,736,287.20/18,956,149.56 = 8,582,637.90/x
  3. Step 3: Cross multiply
    13,736,287.20x = 18,956,149.56 × 8,582,637.90
  4. Step 4: Simplify right side
    13,736,287.20x = 162,693,767,651,724.31
  5. Step 5: Solve for x
    x = 162,693,767,651,724.31/13,736,287.20
  6. Step 6: Final answer
    x = 11,844,086.05

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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.