Home / 19,316,004.54-26,629,450.70-15,409,021.23

Finding the Fourth Proportional to 19,316,004.54, 26,629,450.70 and 15,409,021.23

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Solution

The fourth proportional to 19,316,004.54, 26,629,450.70 and 15,409,021.23 is: 21,243,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,004.54 : 26,629,450.70 = 15,409,021.23 : x
  2. Step 2: Convert to fraction form
    19,316,004.54/26,629,450.70 = 15,409,021.23/x
  3. Step 3: Cross multiply
    19,316,004.54x = 26,629,450.70 × 15,409,021.23
  4. Step 4: Simplify right side
    19,316,004.54x = 410,333,771,189,169
  5. Step 5: Solve for x
    x = 410,333,771,189,169/19,316,004.54
  6. Step 6: Final answer
    x = 21,243,201.22

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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.