Home / 8,238,840.78-12,349,610.25-2,772,037.80

Finding the Fourth Proportional to 8,238,840.78, 12,349,610.25 and 2,772,037.80

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Solution

The fourth proportional to 8,238,840.78, 12,349,610.25 and 2,772,037.80 is: 4,155,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,840.78 : 12,349,610.25 = 2,772,037.80 : x
  2. Step 2: Convert to fraction form
    8,238,840.78/12,349,610.25 = 2,772,037.80/x
  3. Step 3: Cross multiply
    8,238,840.78x = 12,349,610.25 × 2,772,037.80
  4. Step 4: Simplify right side
    8,238,840.78x = 34,233,586,433,465.02
  5. Step 5: Solve for x
    x = 34,233,586,433,465.02/8,238,840.78
  6. Step 6: Final answer
    x = 4,155,146.01

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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.