Home / 28,964,617.30-43,334,951.55-18,886,921.30

Finding the Fourth Proportional to 28,964,617.30, 43,334,951.55 and 18,886,921.30

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Solution

The fourth proportional to 28,964,617.30, 43,334,951.55 and 18,886,921.30 is: 28,257,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964,617.30 : 43,334,951.55 = 18,886,921.30 : x
  2. Step 2: Convert to fraction form
    28,964,617.30/43,334,951.55 = 18,886,921.30/x
  3. Step 3: Cross multiply
    28,964,617.30x = 43,334,951.55 × 18,886,921.30
  4. Step 4: Simplify right side
    28,964,617.30x = 818,463,819,464,163
  5. Step 5: Solve for x
    x = 818,463,819,464,163/28,964,617.30
  6. Step 6: Final answer
    x = 28,257,366.94

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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.