Home / 11,328,007.20-16,997,915.70-4,938,905.40

Finding the Fourth Proportional to 11,328,007.20, 16,997,915.70 and 4,938,905.40

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Solution

The fourth proportional to 11,328,007.20, 16,997,915.70 and 4,938,905.40 is: 7,410,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328,007.20 : 16,997,915.70 = 4,938,905.40 : x
  2. Step 2: Convert to fraction form
    11,328,007.20/16,997,915.70 = 4,938,905.40/x
  3. Step 3: Cross multiply
    11,328,007.20x = 16,997,915.70 × 4,938,905.40
  4. Step 4: Simplify right side
    11,328,007.20x = 83,951,097,639,474.78
  5. Step 5: Solve for x
    x = 83,951,097,639,474.78/11,328,007.20
  6. Step 6: Final answer
    x = 7,410,932.58

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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.