Home / 13,447,365.99-20,155,759.29-11,824,955.43

Finding the Fourth Proportional to 13,447,365.99, 20,155,759.29 and 11,824,955.43

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Solution

The fourth proportional to 13,447,365.99, 20,155,759.29 and 11,824,955.43 is: 17,723,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,365.99 : 20,155,759.29 = 11,824,955.43 : x
  2. Step 2: Convert to fraction form
    13,447,365.99/20,155,759.29 = 11,824,955.43/x
  3. Step 3: Cross multiply
    13,447,365.99x = 20,155,759.29 × 11,824,955.43
  4. Step 4: Simplify right side
    13,447,365.99x = 238,340,955,262,058.44
  5. Step 5: Solve for x
    x = 238,340,955,262,058.44/13,447,365.99
  6. Step 6: Final answer
    x = 17,723,988.14

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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.