Home / 7,122,157.17-9,828,563.04-3,859,060.20

Finding the Fourth Proportional to 7,122,157.17, 9,828,563.04 and 3,859,060.20

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Solution

The fourth proportional to 7,122,157.17, 9,828,563.04 and 3,859,060.20 is: 5,325,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,157.17 : 9,828,563.04 = 3,859,060.20 : x
  2. Step 2: Convert to fraction form
    7,122,157.17/9,828,563.04 = 3,859,060.20/x
  3. Step 3: Cross multiply
    7,122,157.17x = 9,828,563.04 × 3,859,060.20
  4. Step 4: Simplify right side
    7,122,157.17x = 37,929,016,450,855.01
  5. Step 5: Solve for x
    x = 37,929,016,450,855.01/7,122,157.17
  6. Step 6: Final answer
    x = 5,325,495.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.