Home / 30,310,182.96-45,494,018.12-18,760,714.12

Finding the Fourth Proportional to 30,310,182.96, 45,494,018.12 and 18,760,714.12

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Solution

The fourth proportional to 30,310,182.96, 45,494,018.12 and 18,760,714.12 is: 28,158,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310,182.96 : 45,494,018.12 = 18,760,714.12 : x
  2. Step 2: Convert to fraction form
    30,310,182.96/45,494,018.12 = 18,760,714.12/x
  3. Step 3: Cross multiply
    30,310,182.96x = 45,494,018.12 × 18,760,714.12
  4. Step 4: Simplify right side
    30,310,182.96x = 853,500,268,119,419.88
  5. Step 5: Solve for x
    x = 853,500,268,119,419.88/30,310,182.96
  6. Step 6: Final answer
    x = 28,158,862.30

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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.