Home / 13,879,849.07-19,154,790.39-7,684,895.92

Finding the Fourth Proportional to 13,879,849.07, 19,154,790.39 and 7,684,895.92

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Solution

The fourth proportional to 13,879,849.07, 19,154,790.39 and 7,684,895.92 is: 10,605,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,849.07 : 19,154,790.39 = 7,684,895.92 : x
  2. Step 2: Convert to fraction form
    13,879,849.07/19,154,790.39 = 7,684,895.92/x
  3. Step 3: Cross multiply
    13,879,849.07x = 19,154,790.39 × 7,684,895.92
  4. Step 4: Simplify right side
    13,879,849.07x = 147,202,570,497,497.59
  5. Step 5: Solve for x
    x = 147,202,570,497,497.59/13,879,849.07
  6. Step 6: Final answer
    x = 10,605,487.84

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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.