Home / 13,879,893.06-19,154,851.13-7,684,939.64

Finding the Fourth Proportional to 13,879,893.06, 19,154,851.13 and 7,684,939.64

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Solution

The fourth proportional to 13,879,893.06, 19,154,851.13 and 7,684,939.64 is: 10,605,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,893.06 : 19,154,851.13 = 7,684,939.64 : x
  2. Step 2: Convert to fraction form
    13,879,893.06/19,154,851.13 = 7,684,939.64/x
  3. Step 3: Cross multiply
    13,879,893.06x = 19,154,851.13 × 7,684,939.64
  4. Step 4: Simplify right side
    13,879,893.06x = 147,203,874,747,235.78
  5. Step 5: Solve for x
    x = 147,203,874,747,235.78/13,879,893.06
  6. Step 6: Final answer
    x = 10,605,548.19

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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.