Home / 13,349,701.36-19,991,892.30-12,055,775.50

Finding the Fourth Proportional to 13,349,701.36, 19,991,892.30 and 12,055,775.50

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Solution

The fourth proportional to 13,349,701.36, 19,991,892.30 and 12,055,775.50 is: 18,054,169.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,701.36 : 19,991,892.30 = 12,055,775.50 : x
  2. Step 2: Convert to fraction form
    13,349,701.36/19,991,892.30 = 12,055,775.50/x
  3. Step 3: Cross multiply
    13,349,701.36x = 19,991,892.30 × 12,055,775.50
  4. Step 4: Simplify right side
    13,349,701.36x = 241,017,765,388,978.66
  5. Step 5: Solve for x
    x = 241,017,765,388,978.66/13,349,701.36
  6. Step 6: Final answer
    x = 18,054,169.07

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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.