Home / 13,223,652.14-18,247,638.47-7,421,313.26

Finding the Fourth Proportional to 13,223,652.14, 18,247,638.47 and 7,421,313.26

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Solution

The fourth proportional to 13,223,652.14, 18,247,638.47 and 7,421,313.26 is: 10,240,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223,652.14 : 18,247,638.47 = 7,421,313.26 : x
  2. Step 2: Convert to fraction form
    13,223,652.14/18,247,638.47 = 7,421,313.26/x
  3. Step 3: Cross multiply
    13,223,652.14x = 18,247,638.47 × 7,421,313.26
  4. Step 4: Simplify right side
    13,223,652.14x = 135,421,441,212,752.34
  5. Step 5: Solve for x
    x = 135,421,441,212,752.34/13,223,652.14
  6. Step 6: Final answer
    x = 10,240,850.25

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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.