Home / 31,054,115.88-42,852,931.14-17,115,428.75

Finding the Fourth Proportional to 31,054,115.88, 42,852,931.14 and 17,115,428.75

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Solution

The fourth proportional to 31,054,115.88, 42,852,931.14 and 17,115,428.75 is: 23,618,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054,115.88 : 42,852,931.14 = 17,115,428.75 : x
  2. Step 2: Convert to fraction form
    31,054,115.88/42,852,931.14 = 17,115,428.75/x
  3. Step 3: Cross multiply
    31,054,115.88x = 42,852,931.14 × 17,115,428.75
  4. Step 4: Simplify right side
    31,054,115.88x = 733,446,289,655,326.25
  5. Step 5: Solve for x
    x = 733,446,289,655,326.25/31,054,115.88
  6. Step 6: Final answer
    x = 23,618,327.84

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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.