Home / 43,513,879.41-65,248,357.32-12,804,467.67

Finding the Fourth Proportional to 43,513,879.41, 65,248,357.32 and 12,804,467.67

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Solution

The fourth proportional to 43,513,879.41, 65,248,357.32 and 12,804,467.67 is: 19,200,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,513,879.41 : 65,248,357.32 = 12,804,467.67 : x
  2. Step 2: Convert to fraction form
    43,513,879.41/65,248,357.32 = 12,804,467.67/x
  3. Step 3: Cross multiply
    43,513,879.41x = 65,248,357.32 × 12,804,467.67
  4. Step 4: Simplify right side
    43,513,879.41x = 835,470,481,824,547.88
  5. Step 5: Solve for x
    x = 835,470,481,824,547.88/43,513,879.41
  6. Step 6: Final answer
    x = 19,200,091.86

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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.