Home / 13,408,087.65-20,122,629.08-6,220,512.15

Finding the Fourth Proportional to 13,408,087.65, 20,122,629.08 and 6,220,512.15

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Solution

The fourth proportional to 13,408,087.65, 20,122,629.08 and 6,220,512.15 is: 9,335,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,087.65 : 20,122,629.08 = 6,220,512.15 : x
  2. Step 2: Convert to fraction form
    13,408,087.65/20,122,629.08 = 6,220,512.15/x
  3. Step 3: Cross multiply
    13,408,087.65x = 20,122,629.08 × 6,220,512.15
  4. Step 4: Simplify right side
    13,408,087.65x = 125,173,058,650,980.77
  5. Step 5: Solve for x
    x = 125,173,058,650,980.77/13,408,087.65
  6. Step 6: Final answer
    x = 9,335,638.45

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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.