Home / 40,485,812.40-60,661,533.96-28,493,354.16

Finding the Fourth Proportional to 40,485,812.40, 60,661,533.96 and 28,493,354.16

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Solution

The fourth proportional to 40,485,812.40, 60,661,533.96 and 28,493,354.16 is: 42,692,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485,812.40 : 60,661,533.96 = 28,493,354.16 : x
  2. Step 2: Convert to fraction form
    40,485,812.40/60,661,533.96 = 28,493,354.16/x
  3. Step 3: Cross multiply
    40,485,812.40x = 60,661,533.96 × 28,493,354.16
  4. Step 4: Simplify right side
    40,485,812.40x = 1,728,450,571,011,147.25
  5. Step 5: Solve for x
    x = 1,728,450,571,011,147.25/40,485,812.40
  6. Step 6: Final answer
    x = 42,692,747.62

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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.