Home / 12,145,319.10-18,218,920.14-4,058,323.38

Finding the Fourth Proportional to 12,145,319.10, 18,218,920.14 and 4,058,323.38

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Solution

The fourth proportional to 12,145,319.10, 18,218,920.14 and 4,058,323.38 is: 6,087,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,145,319.10 : 18,218,920.14 = 4,058,323.38 : x
  2. Step 2: Convert to fraction form
    12,145,319.10/18,218,920.14 = 4,058,323.38/x
  3. Step 3: Cross multiply
    12,145,319.10x = 18,218,920.14 × 4,058,323.38
  4. Step 4: Simplify right side
    12,145,319.10x = 73,938,269,562,514.88
  5. Step 5: Solve for x
    x = 73,938,269,562,514.88/12,145,319.10
  6. Step 6: Final answer
    x = 6,087,799.67

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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.