Home / 30,147,619.59-45,221,454.23-7,428,519.27

Finding the Fourth Proportional to 30,147,619.59, 45,221,454.23 and 7,428,519.27

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Solution

The fourth proportional to 30,147,619.59, 45,221,454.23 and 7,428,519.27 is: 11,142,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147,619.59 : 45,221,454.23 = 7,428,519.27 : x
  2. Step 2: Convert to fraction form
    30,147,619.59/45,221,454.23 = 7,428,519.27/x
  3. Step 3: Cross multiply
    30,147,619.59x = 45,221,454.23 × 7,428,519.27
  4. Step 4: Simplify right side
    30,147,619.59x = 335,928,444,127,835.44
  5. Step 5: Solve for x
    x = 335,928,444,127,835.44/30,147,619.59
  6. Step 6: Final answer
    x = 11,142,785.03

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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.