Home / 13,879,867.41-19,154,815.72-7,684,914.29

Finding the Fourth Proportional to 13,879,867.41, 19,154,815.72 and 7,684,914.29

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Solution

The fourth proportional to 13,879,867.41, 19,154,815.72 and 7,684,914.29 is: 10,605,513.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,867.41 : 19,154,815.72 = 7,684,914.29 : x
  2. Step 2: Convert to fraction form
    13,879,867.41/19,154,815.72 = 7,684,914.29/x
  3. Step 3: Cross multiply
    13,879,867.41x = 19,154,815.72 × 7,684,914.29
  4. Step 4: Simplify right side
    13,879,867.41x = 147,203,116,933,958.28
  5. Step 5: Solve for x
    x = 147,203,116,933,958.28/13,879,867.41
  6. Step 6: Final answer
    x = 10,605,513.19

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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.