Home / 7,776,008.40-11,664,012.60-4,920,661.20

Finding the Fourth Proportional to 7,776,008.40, 11,664,012.60 and 4,920,661.20

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Solution

The fourth proportional to 7,776,008.40, 11,664,012.60 and 4,920,661.20 is: 7,380,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,008.40 : 11,664,012.60 = 4,920,661.20 : x
  2. Step 2: Convert to fraction form
    7,776,008.40/11,664,012.60 = 4,920,661.20/x
  3. Step 3: Cross multiply
    7,776,008.40x = 11,664,012.60 × 4,920,661.20
  4. Step 4: Simplify right side
    7,776,008.40x = 57,394,654,237,131.12
  5. Step 5: Solve for x
    x = 57,394,654,237,131.12/7,776,008.40
  6. Step 6: Final answer
    x = 7,380,991.80

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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.