Home / 18,669,117.60-28,003,676.40-10,984,874.40

Finding the Fourth Proportional to 18,669,117.60, 28,003,676.40 and 10,984,874.40

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Solution

The fourth proportional to 18,669,117.60, 28,003,676.40 and 10,984,874.40 is: 16,477,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669,117.60 : 28,003,676.40 = 10,984,874.40 : x
  2. Step 2: Convert to fraction form
    18,669,117.60/28,003,676.40 = 10,984,874.40/x
  3. Step 3: Cross multiply
    18,669,117.60x = 28,003,676.40 × 10,984,874.40
  4. Step 4: Simplify right side
    18,669,117.60x = 307,616,867,992,244.12
  5. Step 5: Solve for x
    x = 307,616,867,992,244.12/18,669,117.60
  6. Step 6: Final answer
    x = 16,477,311.60

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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.