Home / 28,086,664.96-42,133,374.24-9,887,080.48

Finding the Fourth Proportional to 28,086,664.96, 42,133,374.24 and 9,887,080.48

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Solution

The fourth proportional to 28,086,664.96, 42,133,374.24 and 9,887,080.48 is: 14,831,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086,664.96 : 42,133,374.24 = 9,887,080.48 : x
  2. Step 2: Convert to fraction form
    28,086,664.96/42,133,374.24 = 9,887,080.48/x
  3. Step 3: Cross multiply
    28,086,664.96x = 42,133,374.24 × 9,887,080.48
  4. Step 4: Simplify right side
    28,086,664.96x = 416,576,062,004,838.88
  5. Step 5: Solve for x
    x = 416,576,062,004,838.88/28,086,664.96
  6. Step 6: Final answer
    x = 14,831,809.42

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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.