Home / 14,263,280.40-21,394,920.60-5,285,974.80

Finding the Fourth Proportional to 14,263,280.40, 21,394,920.60 and 5,285,974.80

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Solution

The fourth proportional to 14,263,280.40, 21,394,920.60 and 5,285,974.80 is: 7,928,962.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263,280.40 : 21,394,920.60 = 5,285,974.80 : x
  2. Step 2: Convert to fraction form
    14,263,280.40/21,394,920.60 = 5,285,974.80/x
  3. Step 3: Cross multiply
    14,263,280.40x = 21,394,920.60 × 5,285,974.80
  4. Step 4: Simplify right side
    14,263,280.40x = 113,093,011,139,600.89
  5. Step 5: Solve for x
    x = 113,093,011,139,600.89/14,263,280.40
  6. Step 6: Final answer
    x = 7,928,962.20

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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.