Home / 13,637,908.87-18,820,753.36-7,757,392.24

Finding the Fourth Proportional to 13,637,908.87, 18,820,753.36 and 7,757,392.24

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Solution

The fourth proportional to 13,637,908.87, 18,820,753.36 and 7,757,392.24 is: 10,705,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637,908.87 : 18,820,753.36 = 7,757,392.24 : x
  2. Step 2: Convert to fraction form
    13,637,908.87/18,820,753.36 = 7,757,392.24/x
  3. Step 3: Cross multiply
    13,637,908.87x = 18,820,753.36 × 7,757,392.24
  4. Step 4: Simplify right side
    13,637,908.87x = 145,999,966,065,817.94
  5. Step 5: Solve for x
    x = 145,999,966,065,817.94/13,637,908.87
  6. Step 6: Final answer
    x = 10,705,451.07

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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.