Home / 30,397,949.12-45,597,015.36-7,368,793.28

Finding the Fourth Proportional to 30,397,949.12, 45,597,015.36 and 7,368,793.28

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Solution

The fourth proportional to 30,397,949.12, 45,597,015.36 and 7,368,793.28 is: 11,053,212.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397,949.12 : 45,597,015.36 = 7,368,793.28 : x
  2. Step 2: Convert to fraction form
    30,397,949.12/45,597,015.36 = 7,368,793.28/x
  3. Step 3: Cross multiply
    30,397,949.12x = 45,597,015.36 × 7,368,793.28
  4. Step 4: Simplify right side
    30,397,949.12x = 335,994,980,372,824.81
  5. Step 5: Solve for x
    x = 335,994,980,372,824.81/30,397,949.12
  6. Step 6: Final answer
    x = 11,053,212.14

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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.