Home / 28,674,099.56-39,570,050.94-15,621,354.56

Finding the Fourth Proportional to 28,674,099.56, 39,570,050.94 and 15,621,354.56

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Solution

The fourth proportional to 28,674,099.56, 39,570,050.94 and 15,621,354.56 is: 21,557,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674,099.56 : 39,570,050.94 = 15,621,354.56 : x
  2. Step 2: Convert to fraction form
    28,674,099.56/39,570,050.94 = 15,621,354.56/x
  3. Step 3: Cross multiply
    28,674,099.56x = 39,570,050.94 × 15,621,354.56
  4. Step 4: Simplify right side
    28,674,099.56x = 618,137,795,691,001.25
  5. Step 5: Solve for x
    x = 618,137,795,691,001.25/28,674,099.56
  6. Step 6: Final answer
    x = 21,557,356.82

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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.