Home / 42,628,629.60-63,951,238.80-12,337,480.80

Finding the Fourth Proportional to 42,628,629.60, 63,951,238.80 and 12,337,480.80

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Solution

The fourth proportional to 42,628,629.60, 63,951,238.80 and 12,337,480.80 is: 18,508,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,628,629.60 : 63,951,238.80 = 12,337,480.80 : x
  2. Step 2: Convert to fraction form
    42,628,629.60/63,951,238.80 = 12,337,480.80/x
  3. Step 3: Cross multiply
    42,628,629.60x = 63,951,238.80 × 12,337,480.80
  4. Step 4: Simplify right side
    42,628,629.60x = 788,997,180,831,215
  5. Step 5: Solve for x
    x = 788,997,180,831,215/42,628,629.60
  6. Step 6: Final answer
    x = 18,508,621.75

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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.