Home / 21,766,457.96-32,639,597.72-8,115,939.16

Finding the Fourth Proportional to 21,766,457.96, 32,639,597.72 and 8,115,939.16

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Solution

The fourth proportional to 21,766,457.96, 32,639,597.72 and 8,115,939.16 is: 12,170,146.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766,457.96 : 32,639,597.72 = 8,115,939.16 : x
  2. Step 2: Convert to fraction form
    21,766,457.96/32,639,597.72 = 8,115,939.16/x
  3. Step 3: Cross multiply
    21,766,457.96x = 32,639,597.72 × 8,115,939.16
  4. Step 4: Simplify right side
    21,766,457.96x = 264,900,989,302,394.72
  5. Step 5: Solve for x
    x = 264,900,989,302,394.72/21,766,457.96
  6. Step 6: Final answer
    x = 12,170,146.83

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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.