Home / 12,210,058.15-18,315,087.23-3,112,138.15

Finding the Fourth Proportional to 12,210,058.15, 18,315,087.23 and 3,112,138.15

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Solution

The fourth proportional to 12,210,058.15, 18,315,087.23 and 3,112,138.15 is: 4,668,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210,058.15 : 18,315,087.23 = 3,112,138.15 : x
  2. Step 2: Convert to fraction form
    12,210,058.15/18,315,087.23 = 3,112,138.15/x
  3. Step 3: Cross multiply
    12,210,058.15x = 18,315,087.23 × 3,112,138.15
  4. Step 4: Simplify right side
    12,210,058.15x = 56,999,081,673,500.13
  5. Step 5: Solve for x
    x = 56,999,081,673,500.13/12,210,058.15
  6. Step 6: Final answer
    x = 4,668,207.23

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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.