Home / 20,819,839.36-28,732,276.32-11,527,409.44

Finding the Fourth Proportional to 20,819,839.36, 28,732,276.32 and 11,527,409.44

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Solution

The fourth proportional to 20,819,839.36, 28,732,276.32 and 11,527,409.44 is: 15,908,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819,839.36 : 28,732,276.32 = 11,527,409.44 : x
  2. Step 2: Convert to fraction form
    20,819,839.36/28,732,276.32 = 11,527,409.44/x
  3. Step 3: Cross multiply
    20,819,839.36x = 28,732,276.32 × 11,527,409.44
  4. Step 4: Simplify right side
    20,819,839.36x = 331,208,713,283,856.44
  5. Step 5: Solve for x
    x = 331,208,713,283,856.44/20,819,839.36
  6. Step 6: Final answer
    x = 15,908,322.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.