Home / 14,101,102.56-19,459,473.84-7,990,698.72

Finding the Fourth Proportional to 14,101,102.56, 19,459,473.84 and 7,990,698.72

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Solution

The fourth proportional to 14,101,102.56, 19,459,473.84 and 7,990,698.72 is: 11,027,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101,102.56 : 19,459,473.84 = 7,990,698.72 : x
  2. Step 2: Convert to fraction form
    14,101,102.56/19,459,473.84 = 7,990,698.72/x
  3. Step 3: Cross multiply
    14,101,102.56x = 19,459,473.84 × 7,990,698.72
  4. Step 4: Simplify right side
    14,101,102.56x = 155,494,792,705,161.47
  5. Step 5: Solve for x
    x = 155,494,792,705,161.47/14,101,102.56
  6. Step 6: Final answer
    x = 11,027,137.21

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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.