Home / 12,863,908.62-19,270,636.29-7,461,208.62

Finding the Fourth Proportional to 12,863,908.62, 19,270,636.29 and 7,461,208.62

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Solution

The fourth proportional to 12,863,908.62, 19,270,636.29 and 7,461,208.62 is: 11,177,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863,908.62 : 19,270,636.29 = 7,461,208.62 : x
  2. Step 2: Convert to fraction form
    12,863,908.62/19,270,636.29 = 7,461,208.62/x
  3. Step 3: Cross multiply
    12,863,908.62x = 19,270,636.29 × 7,461,208.62
  4. Step 4: Simplify right side
    12,863,908.62x = 143,782,237,599,832.81
  5. Step 5: Solve for x
    x = 143,782,237,599,832.81/12,863,908.62
  6. Step 6: Final answer
    x = 11,177,181.20

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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.