Home / 16,115,281.40-24,172,922.10-12,462,116.60

Finding the Fourth Proportional to 16,115,281.40, 24,172,922.10 and 12,462,116.60

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Solution

The fourth proportional to 16,115,281.40, 24,172,922.10 and 12,462,116.60 is: 18,693,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115,281.40 : 24,172,922.10 = 12,462,116.60 : x
  2. Step 2: Convert to fraction form
    16,115,281.40/24,172,922.10 = 12,462,116.60/x
  3. Step 3: Cross multiply
    16,115,281.40x = 24,172,922.10 × 12,462,116.60
  4. Step 4: Simplify right side
    16,115,281.40x = 301,245,773,772,916.88
  5. Step 5: Solve for x
    x = 301,245,773,772,916.88/16,115,281.40
  6. Step 6: Final answer
    x = 18,693,174.90

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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.