Home / 7,890,304.80-11,835,457.20-2,840,959.20

Finding the Fourth Proportional to 7,890,304.80, 11,835,457.20 and 2,840,959.20

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Solution

The fourth proportional to 7,890,304.80, 11,835,457.20 and 2,840,959.20 is: 4,261,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,304.80 : 11,835,457.20 = 2,840,959.20 : x
  2. Step 2: Convert to fraction form
    7,890,304.80/11,835,457.20 = 2,840,959.20/x
  3. Step 3: Cross multiply
    7,890,304.80x = 11,835,457.20 × 2,840,959.20
  4. Step 4: Simplify right side
    7,890,304.80x = 33,624,051,018,546.24
  5. Step 5: Solve for x
    x = 33,624,051,018,546.24/7,890,304.80
  6. Step 6: Final answer
    x = 4,261,438.80

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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.