Home / 13,408,224.12-18,503,769.06-7,607,250.36

Finding the Fourth Proportional to 13,408,224.12, 18,503,769.06 and 7,607,250.36

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Solution

The fourth proportional to 13,408,224.12, 18,503,769.06 and 7,607,250.36 is: 10,498,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,224.12 : 18,503,769.06 = 7,607,250.36 : x
  2. Step 2: Convert to fraction form
    13,408,224.12/18,503,769.06 = 7,607,250.36/x
  3. Step 3: Cross multiply
    13,408,224.12x = 18,503,769.06 × 7,607,250.36
  4. Step 4: Simplify right side
    13,408,224.12x = 140,762,803,843,041.84
  5. Step 5: Solve for x
    x = 140,762,803,843,041.84/13,408,224.12
  6. Step 6: Final answer
    x = 10,498,243.66

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1.5x scale

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.