Home / 14,618,836.86-21,949,811.81-8,154,542.76

Finding the Fourth Proportional to 14,618,836.86, 21,949,811.81 and 8,154,542.76

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Solution

The fourth proportional to 14,618,836.86, 21,949,811.81 and 8,154,542.76 is: 12,243,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618,836.86 : 21,949,811.81 = 8,154,542.76 : x
  2. Step 2: Convert to fraction form
    14,618,836.86/21,949,811.81 = 8,154,542.76/x
  3. Step 3: Cross multiply
    14,618,836.86x = 21,949,811.81 × 8,154,542.76
  4. Step 4: Simplify right side
    14,618,836.86x = 178,990,678,978,597.97
  5. Step 5: Solve for x
    x = 178,990,678,978,597.97/14,618,836.86
  6. Step 6: Final answer
    x = 12,243,838.60

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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.