Home / 13,933,841.22-19,227,639.32-7,821,088.74

Finding the Fourth Proportional to 13,933,841.22, 19,227,639.32 and 7,821,088.74

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Solution

The fourth proportional to 13,933,841.22, 19,227,639.32 and 7,821,088.74 is: 10,792,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933,841.22 : 19,227,639.32 = 7,821,088.74 : x
  2. Step 2: Convert to fraction form
    13,933,841.22/19,227,639.32 = 7,821,088.74/x
  3. Step 3: Cross multiply
    13,933,841.22x = 19,227,639.32 × 7,821,088.74
  4. Step 4: Simplify right side
    13,933,841.22x = 150,381,073,382,433.25
  5. Step 5: Solve for x
    x = 150,381,073,382,433.25/13,933,841.22
  6. Step 6: Final answer
    x = 10,792,506.60

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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.