Home / 13,349,678.36-19,991,857.80-12,055,752.56

Finding the Fourth Proportional to 13,349,678.36, 19,991,857.80 and 12,055,752.56

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Solution

The fourth proportional to 13,349,678.36, 19,991,857.80 and 12,055,752.56 is: 18,054,134.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,678.36 : 19,991,857.80 = 12,055,752.56 : x
  2. Step 2: Convert to fraction form
    13,349,678.36/19,991,857.80 = 12,055,752.56/x
  3. Step 3: Cross multiply
    13,349,678.36x = 19,991,857.80 × 12,055,752.56
  4. Step 4: Simplify right side
    13,349,678.36x = 241,016,890,851,506
  5. Step 5: Solve for x
    x = 241,016,890,851,506/13,349,678.36
  6. Step 6: Final answer
    x = 18,054,134.67

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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.