Home / 21,425,874.30-32,139,072.81-6,280,111.98

Finding the Fourth Proportional to 21,425,874.30, 32,139,072.81 and 6,280,111.98

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Solution

The fourth proportional to 21,425,874.30, 32,139,072.81 and 6,280,111.98 is: 9,420,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425,874.30 : 32,139,072.81 = 6,280,111.98 : x
  2. Step 2: Convert to fraction form
    21,425,874.30/32,139,072.81 = 6,280,111.98/x
  3. Step 3: Cross multiply
    21,425,874.30x = 32,139,072.81 × 6,280,111.98
  4. Step 4: Simplify right side
    21,425,874.30x = 201,836,976,180,173.28
  5. Step 5: Solve for x
    x = 201,836,976,180,173.28/21,425,874.30
  6. Step 6: Final answer
    x = 9,420,244.58

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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.