Home / 30,380,417.55-45,565,714.49-11,220,198.03

Finding the Fourth Proportional to 30,380,417.55, 45,565,714.49 and 11,220,198.03

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Solution

The fourth proportional to 30,380,417.55, 45,565,714.49 and 11,220,198.03 is: 16,828,482.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,380,417.55 : 45,565,714.49 = 11,220,198.03 : x
  2. Step 2: Convert to fraction form
    30,380,417.55/45,565,714.49 = 11,220,198.03/x
  3. Step 3: Cross multiply
    30,380,417.55x = 45,565,714.49 × 11,220,198.03
  4. Step 4: Simplify right side
    30,380,417.55x = 511,256,339,900,139.44
  5. Step 5: Solve for x
    x = 511,256,339,900,139.44/30,380,417.55
  6. Step 6: Final answer
    x = 16,828,482.99

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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.