Home / 18,162,847.35-25,064,924.85-9,902,842.16

Finding the Fourth Proportional to 18,162,847.35, 25,064,924.85 and 9,902,842.16

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Solution

The fourth proportional to 18,162,847.35, 25,064,924.85 and 9,902,842.16 is: 13,666,028.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,847.35 : 25,064,924.85 = 9,902,842.16 : x
  2. Step 2: Convert to fraction form
    18,162,847.35/25,064,924.85 = 9,902,842.16/x
  3. Step 3: Cross multiply
    18,162,847.35x = 25,064,924.85 × 9,902,842.16
  4. Step 4: Simplify right side
    18,162,847.35x = 248,213,994,416,487.06
  5. Step 5: Solve for x
    x = 248,213,994,416,487.06/18,162,847.35
  6. Step 6: Final answer
    x = 13,666,028.77

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1.5x scale

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.