Home / 7,879,636.02-11,818,567.83-2,122,795.01

Finding the Fourth Proportional to 7,879,636.02, 11,818,567.83 and 2,122,795.01

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Solution

The fourth proportional to 7,879,636.02, 11,818,567.83 and 2,122,795.01 is: 3,183,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,636.02 : 11,818,567.83 = 2,122,795.01 : x
  2. Step 2: Convert to fraction form
    7,879,636.02/11,818,567.83 = 2,122,795.01/x
  3. Step 3: Cross multiply
    7,879,636.02x = 11,818,567.83 × 2,122,795.01
  4. Step 4: Simplify right side
    7,879,636.02x = 25,088,396,844,416.95
  5. Step 5: Solve for x
    x = 25,088,396,844,416.95/7,879,636.02
  6. Step 6: Final answer
    x = 3,183,953.77

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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.