Home / 18,578,867.88-25,637,368.16-10,318,131.48

Finding the Fourth Proportional to 18,578,867.88, 25,637,368.16 and 10,318,131.48

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Solution

The fourth proportional to 18,578,867.88, 25,637,368.16 and 10,318,131.48 is: 14,238,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,867.88 : 25,637,368.16 = 10,318,131.48 : x
  2. Step 2: Convert to fraction form
    18,578,867.88/25,637,368.16 = 10,318,131.48/x
  3. Step 3: Cross multiply
    18,578,867.88x = 25,637,368.16 × 10,318,131.48
  4. Step 4: Simplify right side
    18,578,867.88x = 264,529,735,476,045.69
  5. Step 5: Solve for x
    x = 264,529,735,476,045.69/18,578,867.88
  6. Step 6: Final answer
    x = 14,238,205.32

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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.