Home / 21,409,289.80-29,544,848.95-11,619,734.29

Finding the Fourth Proportional to 21,409,289.80, 29,544,848.95 and 11,619,734.29

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Solution

The fourth proportional to 21,409,289.80, 29,544,848.95 and 11,619,734.29 is: 16,035,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,289.80 : 29,544,848.95 = 11,619,734.29 : x
  2. Step 2: Convert to fraction form
    21,409,289.80/29,544,848.95 = 11,619,734.29/x
  3. Step 3: Cross multiply
    21,409,289.80x = 29,544,848.95 × 11,619,734.29
  4. Step 4: Simplify right side
    21,409,289.80x = 343,303,294,437,185.44
  5. Step 5: Solve for x
    x = 343,303,294,437,185.44/21,409,289.80
  6. Step 6: Final answer
    x = 16,035,249.07

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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.