Home / 16,642,720.40-24,964,080.60-8,118,669.20

Finding the Fourth Proportional to 16,642,720.40, 24,964,080.60 and 8,118,669.20

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Solution

The fourth proportional to 16,642,720.40, 24,964,080.60 and 8,118,669.20 is: 12,178,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642,720.40 : 24,964,080.60 = 8,118,669.20 : x
  2. Step 2: Convert to fraction form
    16,642,720.40/24,964,080.60 = 8,118,669.20/x
  3. Step 3: Cross multiply
    16,642,720.40x = 24,964,080.60 × 8,118,669.20
  4. Step 4: Simplify right side
    16,642,720.40x = 202,675,112,273,537.53
  5. Step 5: Solve for x
    x = 202,675,112,273,537.53/16,642,720.40
  6. Step 6: Final answer
    x = 12,178,003.80

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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.