Home / 31,091,859.32-46,643,766.71-11,921,121.14

Finding the Fourth Proportional to 31,091,859.32, 46,643,766.71 and 11,921,121.14

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Solution

The fourth proportional to 31,091,859.32, 46,643,766.71 and 11,921,121.14 is: 17,883,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091,859.32 : 46,643,766.71 = 11,921,121.14 : x
  2. Step 2: Convert to fraction form
    31,091,859.32/46,643,766.71 = 11,921,121.14/x
  3. Step 3: Cross multiply
    31,091,859.32x = 46,643,766.71 × 11,921,121.14
  4. Step 4: Simplify right side
    31,091,859.32x = 556,045,993,082,984.75
  5. Step 5: Solve for x
    x = 556,045,993,082,984.75/31,091,859.32
  6. Step 6: Final answer
    x = 17,883,973.66

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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.