Home / 7,874,107.20-11,811,160.80-1,890,475.20

Finding the Fourth Proportional to 7,874,107.20, 11,811,160.80 and 1,890,475.20

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Solution

The fourth proportional to 7,874,107.20, 11,811,160.80 and 1,890,475.20 is: 2,835,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,107.20 : 11,811,160.80 = 1,890,475.20 : x
  2. Step 2: Convert to fraction form
    7,874,107.20/11,811,160.80 = 1,890,475.20/x
  3. Step 3: Cross multiply
    7,874,107.20x = 11,811,160.80 × 1,890,475.20
  4. Step 4: Simplify right side
    7,874,107.20x = 22,328,706,575,612.16
  5. Step 5: Solve for x
    x = 22,328,706,575,612.16/7,874,107.20
  6. Step 6: Final answer
    x = 2,835,712.80

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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.