Home / 13,058,290.74-18,014,851.32-8,155,000.32

Finding the Fourth Proportional to 13,058,290.74, 18,014,851.32 and 8,155,000.32

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Solution

The fourth proportional to 13,058,290.74, 18,014,851.32 and 8,155,000.32 is: 11,250,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058,290.74 : 18,014,851.32 = 8,155,000.32 : x
  2. Step 2: Convert to fraction form
    13,058,290.74/18,014,851.32 = 8,155,000.32/x
  3. Step 3: Cross multiply
    13,058,290.74x = 18,014,851.32 × 8,155,000.32
  4. Step 4: Simplify right side
    13,058,290.74x = 146,911,118,279,352.44
  5. Step 5: Solve for x
    x = 146,911,118,279,352.44/13,058,290.74
  6. Step 6: Final answer
    x = 11,250,409.51

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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.