Home / 8,907,313.80-13,360,970.70-7,879,861.20

Finding the Fourth Proportional to 8,907,313.80, 13,360,970.70 and 7,879,861.20

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Solution

The fourth proportional to 8,907,313.80, 13,360,970.70 and 7,879,861.20 is: 11,819,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907,313.80 : 13,360,970.70 = 7,879,861.20 : x
  2. Step 2: Convert to fraction form
    8,907,313.80/13,360,970.70 = 7,879,861.20/x
  3. Step 3: Cross multiply
    8,907,313.80x = 13,360,970.70 × 7,879,861.20
  4. Step 4: Simplify right side
    8,907,313.80x = 105,282,594,613,266.84
  5. Step 5: Solve for x
    x = 105,282,594,613,266.84/8,907,313.80
  6. Step 6: Final answer
    x = 11,819,791.80

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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.