Home / 18,144,629.60-27,216,944.40-10,964,271.20

Finding the Fourth Proportional to 18,144,629.60, 27,216,944.40 and 10,964,271.20

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Solution

The fourth proportional to 18,144,629.60, 27,216,944.40 and 10,964,271.20 is: 16,446,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,629.60 : 27,216,944.40 = 10,964,271.20 : x
  2. Step 2: Convert to fraction form
    18,144,629.60/27,216,944.40 = 10,964,271.20/x
  3. Step 3: Cross multiply
    18,144,629.60x = 27,216,944.40 × 10,964,271.20
  4. Step 4: Simplify right side
    18,144,629.60x = 298,413,959,636,921.25
  5. Step 5: Solve for x
    x = 298,413,959,636,921.25/18,144,629.60
  6. Step 6: Final answer
    x = 16,446,406.80

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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.