Home / 8,022,801.60-12,017,872.80-4,980,830.40

Finding the Fourth Proportional to 8,022,801.60, 12,017,872.80 and 4,980,830.40

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Solution

The fourth proportional to 8,022,801.60, 12,017,872.80 and 4,980,830.40 is: 7,461,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022,801.60 : 12,017,872.80 = 4,980,830.40 : x
  2. Step 2: Convert to fraction form
    8,022,801.60/12,017,872.80 = 4,980,830.40/x
  3. Step 3: Cross multiply
    8,022,801.60x = 12,017,872.80 × 4,980,830.40
  4. Step 4: Simplify right side
    8,022,801.60x = 59,858,986,185,573.12
  5. Step 5: Solve for x
    x = 59,858,986,185,573.12/8,022,801.60
  6. Step 6: Final answer
    x = 7,461,107.62

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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.