Home / 8,858,114.40-13,287,171.60-3,178,912.80

Finding the Fourth Proportional to 8,858,114.40, 13,287,171.60 and 3,178,912.80

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Solution

The fourth proportional to 8,858,114.40, 13,287,171.60 and 3,178,912.80 is: 4,768,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,114.40 : 13,287,171.60 = 3,178,912.80 : x
  2. Step 2: Convert to fraction form
    8,858,114.40/13,287,171.60 = 3,178,912.80/x
  3. Step 3: Cross multiply
    8,858,114.40x = 13,287,171.60 × 3,178,912.80
  4. Step 4: Simplify right side
    8,858,114.40x = 42,238,759,875,036.48
  5. Step 5: Solve for x
    x = 42,238,759,875,036.48/8,858,114.40
  6. Step 6: Final answer
    x = 4,768,369.20

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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.