Home / 13,525,212.90-18,664,518.24-7,413,641.40

Finding the Fourth Proportional to 13,525,212.90, 18,664,518.24 and 7,413,641.40

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Solution

The fourth proportional to 13,525,212.90, 18,664,518.24 and 7,413,641.40 is: 10,230,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525,212.90 : 18,664,518.24 = 7,413,641.40 : x
  2. Step 2: Convert to fraction form
    13,525,212.90/18,664,518.24 = 7,413,641.40/x
  3. Step 3: Cross multiply
    13,525,212.90x = 18,664,518.24 × 7,413,641.40
  4. Step 4: Simplify right side
    13,525,212.90x = 138,372,045,135,119.12
  5. Step 5: Solve for x
    x = 138,372,045,135,119.12/13,525,212.90
  6. Step 6: Final answer
    x = 10,230,674.09

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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.