Home / 43,672,618.40-65,508,927.60-20,941,815.20

Finding the Fourth Proportional to 43,672,618.40, 65,508,927.60 and 20,941,815.20

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Solution

The fourth proportional to 43,672,618.40, 65,508,927.60 and 20,941,815.20 is: 31,412,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,672,618.40 : 65,508,927.60 = 20,941,815.20 : x
  2. Step 2: Convert to fraction form
    43,672,618.40/65,508,927.60 = 20,941,815.20/x
  3. Step 3: Cross multiply
    43,672,618.40x = 65,508,927.60 × 20,941,815.20
  4. Step 4: Simplify right side
    43,672,618.40x = 1,371,875,855,749,379.50
  5. Step 5: Solve for x
    x = 1,371,875,855,749,379.50/43,672,618.40
  6. Step 6: Final answer
    x = 31,412,722.80

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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.