Home / 18,345,881.10-27,458,940.54-13,486,901.36

Finding the Fourth Proportional to 18,345,881.10, 27,458,940.54 and 13,486,901.36

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Solution

The fourth proportional to 18,345,881.10, 27,458,940.54 and 13,486,901.36 is: 20,186,330.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,881.10 : 27,458,940.54 = 13,486,901.36 : x
  2. Step 2: Convert to fraction form
    18,345,881.10/27,458,940.54 = 13,486,901.36/x
  3. Step 3: Cross multiply
    18,345,881.10x = 27,458,940.54 × 13,486,901.36
  4. Step 4: Simplify right side
    18,345,881.10x = 370,336,022,513,085.12
  5. Step 5: Solve for x
    x = 370,336,022,513,085.12/18,345,881.10
  6. Step 6: Final answer
    x = 20,186,330.68

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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.