Home / 13,548,814.96-18,697,129.96-7,353,728.72

Finding the Fourth Proportional to 13,548,814.96, 18,697,129.96 and 7,353,728.72

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Solution

The fourth proportional to 13,548,814.96, 18,697,129.96 and 7,353,728.72 is: 10,148,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548,814.96 : 18,697,129.96 = 7,353,728.72 : x
  2. Step 2: Convert to fraction form
    13,548,814.96/18,697,129.96 = 7,353,728.72/x
  3. Step 3: Cross multiply
    13,548,814.96x = 18,697,129.96 × 7,353,728.72
  4. Step 4: Simplify right side
    13,548,814.96x = 137,493,621,568,424.45
  5. Step 5: Solve for x
    x = 137,493,621,568,424.45/13,548,814.96
  6. Step 6: Final answer
    x = 10,148,018.26

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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.