Home / 30,238,361.96-45,357,723.37-7,519,259.21

Finding the Fourth Proportional to 30,238,361.96, 45,357,723.37 and 7,519,259.21

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Solution

The fourth proportional to 30,238,361.96, 45,357,723.37 and 7,519,259.21 is: 11,278,933.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238,361.96 : 45,357,723.37 = 7,519,259.21 : x
  2. Step 2: Convert to fraction form
    30,238,361.96/45,357,723.37 = 7,519,259.21/x
  3. Step 3: Cross multiply
    30,238,361.96x = 45,357,723.37 × 7,519,259.21
  4. Step 4: Simplify right side
    30,238,361.96x = 341,056,479,043,514.12
  5. Step 5: Solve for x
    x = 341,056,479,043,514.12/30,238,361.96
  6. Step 6: Final answer
    x = 11,278,933.68

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1.5x scale

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.