Home / 7,344,874.80-11,017,312.20-3,985,642.80

Finding the Fourth Proportional to 7,344,874.80, 11,017,312.20 and 3,985,642.80

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Solution

The fourth proportional to 7,344,874.80, 11,017,312.20 and 3,985,642.80 is: 5,978,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344,874.80 : 11,017,312.20 = 3,985,642.80 : x
  2. Step 2: Convert to fraction form
    7,344,874.80/11,017,312.20 = 3,985,642.80/x
  3. Step 3: Cross multiply
    7,344,874.80x = 11,017,312.20 × 3,985,642.80
  4. Step 4: Simplify right side
    7,344,874.80x = 43,911,071,045,282.16
  5. Step 5: Solve for x
    x = 43,911,071,045,282.16/7,344,874.80
  6. Step 6: Final answer
    x = 5,978,464.20

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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.