Home / 12,618,423.86-18,920,054.93-4,932,915.03

Finding the Fourth Proportional to 12,618,423.86, 18,920,054.93 and 4,932,915.03

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Solution

The fourth proportional to 12,618,423.86, 18,920,054.93 and 4,932,915.03 is: 7,396,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618,423.86 : 18,920,054.93 = 4,932,915.03 : x
  2. Step 2: Convert to fraction form
    12,618,423.86/18,920,054.93 = 4,932,915.03/x
  3. Step 3: Cross multiply
    12,618,423.86x = 18,920,054.93 × 4,932,915.03
  4. Step 4: Simplify right side
    12,618,423.86x = 93,331,023,307,958.03
  5. Step 5: Solve for x
    x = 93,331,023,307,958.03/12,618,423.86
  6. Step 6: Final answer
    x = 7,396,408.96

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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.