Home / 7,776,009.90-11,664,014.85-4,920,662.70

Finding the Fourth Proportional to 7,776,009.90, 11,664,014.85 and 4,920,662.70

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Solution

The fourth proportional to 7,776,009.90, 11,664,014.85 and 4,920,662.70 is: 7,380,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,009.90 : 11,664,014.85 = 4,920,662.70 : x
  2. Step 2: Convert to fraction form
    7,776,009.90/11,664,014.85 = 4,920,662.70/x
  3. Step 3: Cross multiply
    7,776,009.90x = 11,664,014.85 × 4,920,662.70
  4. Step 4: Simplify right side
    7,776,009.90x = 57,394,682,804,641.09
  5. Step 5: Solve for x
    x = 57,394,682,804,641.09/7,776,009.90
  6. Step 6: Final answer
    x = 7,380,994.05

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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.