Home / 13,110,433.36-19,627,535.58-7,628,821.90

Finding the Fourth Proportional to 13,110,433.36, 19,627,535.58 and 7,628,821.90

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Solution

The fourth proportional to 13,110,433.36, 19,627,535.58 and 7,628,821.90 is: 11,421,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110,433.36 : 19,627,535.58 = 7,628,821.90 : x
  2. Step 2: Convert to fraction form
    13,110,433.36/19,627,535.58 = 7,628,821.90/x
  3. Step 3: Cross multiply
    13,110,433.36x = 19,627,535.58 × 7,628,821.90
  4. Step 4: Simplify right side
    13,110,433.36x = 149,734,973,275,733.19
  5. Step 5: Solve for x
    x = 149,734,973,275,733.19/13,110,433.36
  6. Step 6: Final answer
    x = 11,421,054.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.