Home / 20,373,718.32-28,114,051.32-11,999,782.80

Finding the Fourth Proportional to 20,373,718.32, 28,114,051.32 and 11,999,782.80

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Solution

The fourth proportional to 20,373,718.32, 28,114,051.32 and 11,999,782.80 is: 16,558,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373,718.32 : 28,114,051.32 = 11,999,782.80 : x
  2. Step 2: Convert to fraction form
    20,373,718.32/28,114,051.32 = 11,999,782.80/x
  3. Step 3: Cross multiply
    20,373,718.32x = 28,114,051.32 × 11,999,782.80
  4. Step 4: Simplify right side
    20,373,718.32x = 337,362,509,468,053.31
  5. Step 5: Solve for x
    x = 337,362,509,468,053.31/20,373,718.32
  6. Step 6: Final answer
    x = 16,558,710.79

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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.