Home / 13,603,765.08-18,751,315.41-9,192,113.46

Finding the Fourth Proportional to 13,603,765.08, 18,751,315.41 and 9,192,113.46

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Solution

The fourth proportional to 13,603,765.08, 18,751,315.41 and 9,192,113.46 is: 12,670,331.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,603,765.08 : 18,751,315.41 = 9,192,113.46 : x
  2. Step 2: Convert to fraction form
    13,603,765.08/18,751,315.41 = 9,192,113.46/x
  3. Step 3: Cross multiply
    13,603,765.08x = 18,751,315.41 × 9,192,113.46
  4. Step 4: Simplify right side
    13,603,765.08x = 172,364,218,772,966.44
  5. Step 5: Solve for x
    x = 172,364,218,772,966.44/13,603,765.08
  6. Step 6: Final answer
    x = 12,670,331.91

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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.