Home / 28,874,313.20-43,311,469.80-9,698,697.20

Finding the Fourth Proportional to 28,874,313.20, 43,311,469.80 and 9,698,697.20

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Solution

The fourth proportional to 28,874,313.20, 43,311,469.80 and 9,698,697.20 is: 14,548,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874,313.20 : 43,311,469.80 = 9,698,697.20 : x
  2. Step 2: Convert to fraction form
    28,874,313.20/43,311,469.80 = 9,698,697.20/x
  3. Step 3: Cross multiply
    28,874,313.20x = 43,311,469.80 × 9,698,697.20
  4. Step 4: Simplify right side
    28,874,313.20x = 420,064,830,877,144.50
  5. Step 5: Solve for x
    x = 420,064,830,877,144.50/28,874,313.20
  6. Step 6: Final answer
    x = 14,548,045.80

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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.