Home / 19,345,129.20-28,992,810.60-11,764,047.60

Finding the Fourth Proportional to 19,345,129.20, 28,992,810.60 and 11,764,047.60

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Solution

The fourth proportional to 19,345,129.20, 28,992,810.60 and 11,764,047.60 is: 17,630,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345,129.20 : 28,992,810.60 = 11,764,047.60 : x
  2. Step 2: Convert to fraction form
    19,345,129.20/28,992,810.60 = 11,764,047.60/x
  3. Step 3: Cross multiply
    19,345,129.20x = 28,992,810.60 × 11,764,047.60
  4. Step 4: Simplify right side
    19,345,129.20x = 341,072,803,956,184.56
  5. Step 5: Solve for x
    x = 341,072,803,956,184.56/19,345,129.20
  6. Step 6: Final answer
    x = 17,630,939.57

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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.