Home / 14,503,177.54-20,014,956.06-7,977,414.21

Finding the Fourth Proportional to 14,503,177.54, 20,014,956.06 and 7,977,414.21

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Solution

The fourth proportional to 14,503,177.54, 20,014,956.06 and 7,977,414.21 is: 11,009,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503,177.54 : 20,014,956.06 = 7,977,414.21 : x
  2. Step 2: Convert to fraction form
    14,503,177.54/20,014,956.06 = 7,977,414.21/x
  3. Step 3: Cross multiply
    14,503,177.54x = 20,014,956.06 × 7,977,414.21
  4. Step 4: Simplify right side
    14,503,177.54x = 159,667,594,842,405.97
  5. Step 5: Solve for x
    x = 159,667,594,842,405.97/14,503,177.54
  6. Step 6: Final answer
    x = 11,009,145.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.