Home / 18,578,079.92-25,637,809.80-10,318,140.80

Finding the Fourth Proportional to 18,578,079.92, 25,637,809.80 and 10,318,140.80

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Solution

The fourth proportional to 18,578,079.92, 25,637,809.80 and 10,318,140.80 is: 14,239,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,079.92 : 25,637,809.80 = 10,318,140.80 : x
  2. Step 2: Convert to fraction form
    18,578,079.92/25,637,809.80 = 10,318,140.80/x
  3. Step 3: Cross multiply
    18,578,079.92x = 25,637,809.80 × 10,318,140.80
  4. Step 4: Simplify right side
    18,578,079.92x = 264,534,531,320,019.88
  5. Step 5: Solve for x
    x = 264,534,531,320,019.88/18,578,079.92
  6. Step 6: Final answer
    x = 14,239,067.36

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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.