Home / 7,776,014.40-11,664,021.60-4,920,667.20

Finding the Fourth Proportional to 7,776,014.40, 11,664,021.60 and 4,920,667.20

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Solution

The fourth proportional to 7,776,014.40, 11,664,021.60 and 4,920,667.20 is: 7,381,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,014.40 : 11,664,021.60 = 4,920,667.20 : x
  2. Step 2: Convert to fraction form
    7,776,014.40/11,664,021.60 = 4,920,667.20/x
  3. Step 3: Cross multiply
    7,776,014.40x = 11,664,021.60 × 4,920,667.20
  4. Step 4: Simplify right side
    7,776,014.40x = 57,394,768,507,211.52
  5. Step 5: Solve for x
    x = 57,394,768,507,211.52/7,776,014.40
  6. Step 6: Final answer
    x = 7,381,000.80

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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.