Home / 20,115,749.80-30,173,624.70-14,489,036.20

Finding the Fourth Proportional to 20,115,749.80, 30,173,624.70 and 14,489,036.20

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Solution

The fourth proportional to 20,115,749.80, 30,173,624.70 and 14,489,036.20 is: 21,733,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115,749.80 : 30,173,624.70 = 14,489,036.20 : x
  2. Step 2: Convert to fraction form
    20,115,749.80/30,173,624.70 = 14,489,036.20/x
  3. Step 3: Cross multiply
    20,115,749.80x = 30,173,624.70 × 14,489,036.20
  4. Step 4: Simplify right side
    20,115,749.80x = 437,186,740,563,514.12
  5. Step 5: Solve for x
    x = 437,186,740,563,514.12/20,115,749.80
  6. Step 6: Final answer
    x = 21,733,554.30

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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.