Home / 7,661,430.30-11,492,145.45-3,397,071.90

Finding the Fourth Proportional to 7,661,430.30, 11,492,145.45 and 3,397,071.90

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Solution

The fourth proportional to 7,661,430.30, 11,492,145.45 and 3,397,071.90 is: 5,095,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,430.30 : 11,492,145.45 = 3,397,071.90 : x
  2. Step 2: Convert to fraction form
    7,661,430.30/11,492,145.45 = 3,397,071.90/x
  3. Step 3: Cross multiply
    7,661,430.30x = 11,492,145.45 × 3,397,071.90
  4. Step 4: Simplify right side
    7,661,430.30x = 39,039,644,378,907.85
  5. Step 5: Solve for x
    x = 39,039,644,378,907.85/7,661,430.30
  6. Step 6: Final answer
    x = 5,095,607.85

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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.