Home / 8,054,801.80-12,088,812.30-7,991,816.20

Finding the Fourth Proportional to 8,054,801.80, 12,088,812.30 and 7,991,816.20

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Solution

The fourth proportional to 8,054,801.80, 12,088,812.30 and 7,991,816.20 is: 11,994,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054,801.80 : 12,088,812.30 = 7,991,816.20 : x
  2. Step 2: Convert to fraction form
    8,054,801.80/12,088,812.30 = 7,991,816.20/x
  3. Step 3: Cross multiply
    8,054,801.80x = 12,088,812.30 × 7,991,816.20
  4. Step 4: Simplify right side
    8,054,801.80x = 96,611,565,977,899.27
  5. Step 5: Solve for x
    x = 96,611,565,977,899.27/8,054,801.80
  6. Step 6: Final answer
    x = 11,994,282.22

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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.