Home / 12,298,087.80-18,447,131.70-9,906,603.30

Finding the Fourth Proportional to 12,298,087.80, 18,447,131.70 and 9,906,603.30

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Solution

The fourth proportional to 12,298,087.80, 18,447,131.70 and 9,906,603.30 is: 14,859,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,087.80 : 18,447,131.70 = 9,906,603.30 : x
  2. Step 2: Convert to fraction form
    12,298,087.80/18,447,131.70 = 9,906,603.30/x
  3. Step 3: Cross multiply
    12,298,087.80x = 18,447,131.70 × 9,906,603.30
  4. Step 4: Simplify right side
    12,298,087.80x = 182,748,415,774,754.62
  5. Step 5: Solve for x
    x = 182,748,415,774,754.62/12,298,087.80
  6. Step 6: Final answer
    x = 14,859,904.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.