Home / 14,503,185-20,014,966.08-7,977,421.44

Finding the Fourth Proportional to 14,503,185, 20,014,966.08 and 7,977,421.44

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Solution

The fourth proportional to 14,503,185, 20,014,966.08 and 7,977,421.44 is: 11,009,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503,185 : 20,014,966.08 = 7,977,421.44 : x
  2. Step 2: Convert to fraction form
    14,503,185/20,014,966.08 = 7,977,421.44/x
  3. Step 3: Cross multiply
    14,503,185x = 20,014,966.08 × 7,977,421.44
  4. Step 4: Simplify right side
    14,503,185x = 159,667,819,527,464.75
  5. Step 5: Solve for x
    x = 159,667,819,527,464.75/14,503,185
  6. Step 6: Final answer
    x = 11,009,155.54

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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.