Home / 12,789,039.60-19,183,559.40-9,803,055.60

Finding the Fourth Proportional to 12,789,039.60, 19,183,559.40 and 9,803,055.60

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Solution

The fourth proportional to 12,789,039.60, 19,183,559.40 and 9,803,055.60 is: 14,704,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789,039.60 : 19,183,559.40 = 9,803,055.60 : x
  2. Step 2: Convert to fraction form
    12,789,039.60/19,183,559.40 = 9,803,055.60/x
  3. Step 3: Cross multiply
    12,789,039.60x = 19,183,559.40 × 9,803,055.60
  4. Step 4: Simplify right side
    12,789,039.60x = 188,057,499,404,102.62
  5. Step 5: Solve for x
    x = 188,057,499,404,102.62/12,789,039.60
  6. Step 6: Final answer
    x = 14,704,583.40

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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.