Home / 13,309,751.44-19,962,629.06-4,210,666.72

Finding the Fourth Proportional to 13,309,751.44, 19,962,629.06 and 4,210,666.72

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Solution

The fourth proportional to 13,309,751.44, 19,962,629.06 and 4,210,666.72 is: 6,315,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,751.44 : 19,962,629.06 = 4,210,666.72 : x
  2. Step 2: Convert to fraction form
    13,309,751.44/19,962,629.06 = 4,210,666.72/x
  3. Step 3: Cross multiply
    13,309,751.44x = 19,962,629.06 × 4,210,666.72
  4. Step 4: Simplify right side
    13,309,751.44x = 84,055,977,826,646.88
  5. Step 5: Solve for x
    x = 84,055,977,826,646.88/13,309,751.44
  6. Step 6: Final answer
    x = 6,315,367.96

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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.