Home / 8,775,478.40-13,149,086.40-4,977,667.20

Finding the Fourth Proportional to 8,775,478.40, 13,149,086.40 and 4,977,667.20

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Solution

The fourth proportional to 8,775,478.40, 13,149,086.40 and 4,977,667.20 is: 7,458,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775,478.40 : 13,149,086.40 = 4,977,667.20 : x
  2. Step 2: Convert to fraction form
    8,775,478.40/13,149,086.40 = 4,977,667.20/x
  3. Step 3: Cross multiply
    8,775,478.40x = 13,149,086.40 × 4,977,667.20
  4. Step 4: Simplify right side
    8,775,478.40x = 65,451,776,083,246.09
  5. Step 5: Solve for x
    x = 65,451,776,083,246.09/8,775,478.40
  6. Step 6: Final answer
    x = 7,458,485.24

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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.