Home / 39,144,662.76-54,019,636.32-21,742,627.21

Finding the Fourth Proportional to 39,144,662.76, 54,019,636.32 and 21,742,627.21

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Solution

The fourth proportional to 39,144,662.76, 54,019,636.32 and 21,742,627.21 is: 30,004,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144,662.76 : 54,019,636.32 = 21,742,627.21 : x
  2. Step 2: Convert to fraction form
    39,144,662.76/54,019,636.32 = 21,742,627.21/x
  3. Step 3: Cross multiply
    39,144,662.76x = 54,019,636.32 × 21,742,627.21
  4. Step 4: Simplify right side
    39,144,662.76x = 1,174,528,814,775,882.50
  5. Step 5: Solve for x
    x = 1,174,528,814,775,882.50/39,144,662.76
  6. Step 6: Final answer
    x = 30,004,826.51

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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.