Home / 13,146,782.45-19,809,910.05-10,803,127.64

Finding the Fourth Proportional to 13,146,782.45, 19,809,910.05 and 10,803,127.64

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Solution

The fourth proportional to 13,146,782.45, 19,809,910.05 and 10,803,127.64 is: 16,278,430.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,782.45 : 19,809,910.05 = 10,803,127.64 : x
  2. Step 2: Convert to fraction form
    13,146,782.45/19,809,910.05 = 10,803,127.64/x
  3. Step 3: Cross multiply
    13,146,782.45x = 19,809,910.05 × 10,803,127.64
  4. Step 4: Simplify right side
    13,146,782.45x = 214,008,986,708,019.25
  5. Step 5: Solve for x
    x = 214,008,986,708,019.25/13,146,782.45
  6. Step 6: Final answer
    x = 16,278,430.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.