Home / 8,783,077.28-12,120,644.87-4,915,598.03

Finding the Fourth Proportional to 8,783,077.28, 12,120,644.87 and 4,915,598.03

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Solution

The fourth proportional to 8,783,077.28, 12,120,644.87 and 4,915,598.03 is: 6,783,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783,077.28 : 12,120,644.87 = 4,915,598.03 : x
  2. Step 2: Convert to fraction form
    8,783,077.28/12,120,644.87 = 4,915,598.03/x
  3. Step 3: Cross multiply
    8,783,077.28x = 12,120,644.87 × 4,915,598.03
  4. Step 4: Simplify right side
    8,783,077.28x = 59,580,217,984,698.38
  5. Step 5: Solve for x
    x = 59,580,217,984,698.38/8,783,077.28
  6. Step 6: Final answer
    x = 6,783,524.28

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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.