Home / 30,383,618.42-45,577,455.48-10,685,381.22

Finding the Fourth Proportional to 30,383,618.42, 45,577,455.48 and 10,685,381.22

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Solution

The fourth proportional to 30,383,618.42, 45,577,455.48 and 10,685,381.22 is: 16,028,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383,618.42 : 45,577,455.48 = 10,685,381.22 : x
  2. Step 2: Convert to fraction form
    30,383,618.42/45,577,455.48 = 10,685,381.22/x
  3. Step 3: Cross multiply
    30,383,618.42x = 45,577,455.48 × 10,685,381.22
  4. Step 4: Simplify right side
    30,383,618.42x = 487,012,486,841,378.06
  5. Step 5: Solve for x
    x = 487,012,486,841,378.06/30,383,618.42
  6. Step 6: Final answer
    x = 16,028,784.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.