Home / 9,631,245.80-13,290,766.50-5,280,236.70

Finding the Fourth Proportional to 9,631,245.80, 13,290,766.50 and 5,280,236.70

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Solution

The fourth proportional to 9,631,245.80, 13,290,766.50 and 5,280,236.70 is: 7,286,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631,245.80 : 13,290,766.50 = 5,280,236.70 : x
  2. Step 2: Convert to fraction form
    9,631,245.80/13,290,766.50 = 5,280,236.70/x
  3. Step 3: Cross multiply
    9,631,245.80x = 13,290,766.50 × 5,280,236.70
  4. Step 4: Simplify right side
    9,631,245.80x = 70,178,393,044,430.55
  5. Step 5: Solve for x
    x = 70,178,393,044,430.55/9,631,245.80
  6. Step 6: Final answer
    x = 7,286,533.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.