Home / 13,691,135.06-18,893,047.15-7,494,994.32

Finding the Fourth Proportional to 13,691,135.06, 18,893,047.15 and 7,494,994.32

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Solution

The fourth proportional to 13,691,135.06, 18,893,047.15 and 7,494,994.32 is: 10,342,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691,135.06 : 18,893,047.15 = 7,494,994.32 : x
  2. Step 2: Convert to fraction form
    13,691,135.06/18,893,047.15 = 7,494,994.32/x
  3. Step 3: Cross multiply
    13,691,135.06x = 18,893,047.15 × 7,494,994.32
  4. Step 4: Simplify right side
    13,691,135.06x = 141,603,281,039,267.22
  5. Step 5: Solve for x
    x = 141,603,281,039,267.22/13,691,135.06
  6. Step 6: Final answer
    x = 10,342,698.43

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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.