Home / 15,289,532.84-21,099,558.32-8,414,014.94

Finding the Fourth Proportional to 15,289,532.84, 21,099,558.32 and 8,414,014.94

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Solution

The fourth proportional to 15,289,532.84, 21,099,558.32 and 8,414,014.94 is: 11,611,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,532.84 : 21,099,558.32 = 8,414,014.94 : x
  2. Step 2: Convert to fraction form
    15,289,532.84/21,099,558.32 = 8,414,014.94/x
  3. Step 3: Cross multiply
    15,289,532.84x = 21,099,558.32 × 8,414,014.94
  4. Step 4: Simplify right side
    15,289,532.84x = 177,531,998,931,881.28
  5. Step 5: Solve for x
    x = 177,531,998,931,881.28/15,289,532.84
  6. Step 6: Final answer
    x = 11,611,342.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.