Home / 20,362,967.06-28,099,222.18-11,989,005.62

Finding the Fourth Proportional to 20,362,967.06, 28,099,222.18 and 11,989,005.62

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Solution

The fourth proportional to 20,362,967.06, 28,099,222.18 and 11,989,005.62 is: 16,543,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,967.06 : 28,099,222.18 = 11,989,005.62 : x
  2. Step 2: Convert to fraction form
    20,362,967.06/28,099,222.18 = 11,989,005.62/x
  3. Step 3: Cross multiply
    20,362,967.06x = 28,099,222.18 × 11,989,005.62
  4. Step 4: Simplify right side
    20,362,967.06x = 336,881,732,463,180
  5. Step 5: Solve for x
    x = 336,881,732,463,180/20,362,967.06
  6. Step 6: Final answer
    x = 16,543,843.12

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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.