Home / 30,332,029.80-45,403,566.30-21,828,973.80

Finding the Fourth Proportional to 30,332,029.80, 45,403,566.30 and 21,828,973.80

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Solution

The fourth proportional to 30,332,029.80, 45,403,566.30 and 21,828,973.80 is: 32,675,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332,029.80 : 45,403,566.30 = 21,828,973.80 : x
  2. Step 2: Convert to fraction form
    30,332,029.80/45,403,566.30 = 21,828,973.80/x
  3. Step 3: Cross multiply
    30,332,029.80x = 45,403,566.30 × 21,828,973.80
  4. Step 4: Simplify right side
    30,332,029.80x = 991,113,259,189,262.88
  5. Step 5: Solve for x
    x = 991,113,259,189,262.88/30,332,029.80
  6. Step 6: Final answer
    x = 32,675,467.67

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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.