Home / 28,774,638.56-43,183,215.50-13,628,570.06

Finding the Fourth Proportional to 28,774,638.56, 43,183,215.50 and 13,628,570.06

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Solution

The fourth proportional to 28,774,638.56, 43,183,215.50 and 13,628,570.06 is: 20,452,923.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774,638.56 : 43,183,215.50 = 13,628,570.06 : x
  2. Step 2: Convert to fraction form
    28,774,638.56/43,183,215.50 = 13,628,570.06/x
  3. Step 3: Cross multiply
    28,774,638.56x = 43,183,215.50 × 13,628,570.06
  4. Step 4: Simplify right side
    28,774,638.56x = 588,525,477,897,643.12
  5. Step 5: Solve for x
    x = 588,525,477,897,643.12/28,774,638.56
  6. Step 6: Final answer
    x = 20,452,923.38

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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.