Home / 13,447,355.74-20,155,743.95-11,824,945.18

Finding the Fourth Proportional to 13,447,355.74, 20,155,743.95 and 11,824,945.18

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Solution

The fourth proportional to 13,447,355.74, 20,155,743.95 and 11,824,945.18 is: 17,723,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,355.74 : 20,155,743.95 = 11,824,945.18 : x
  2. Step 2: Convert to fraction form
    13,447,355.74/20,155,743.95 = 11,824,945.18/x
  3. Step 3: Cross multiply
    13,447,355.74x = 20,155,743.95 × 11,824,945.18
  4. Step 4: Simplify right side
    13,447,355.74x = 238,340,567,161,352.59
  5. Step 5: Solve for x
    x = 238,340,567,161,352.59/13,447,355.74
  6. Step 6: Final answer
    x = 17,723,972.79

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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.