Home / 20,702,739.48-28,569,893.79-12,006,068.34

Finding the Fourth Proportional to 20,702,739.48, 28,569,893.79 and 12,006,068.34

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Solution

The fourth proportional to 20,702,739.48, 28,569,893.79 and 12,006,068.34 is: 16,568,440.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,702,739.48 : 28,569,893.79 = 12,006,068.34 : x
  2. Step 2: Convert to fraction form
    20,702,739.48/28,569,893.79 = 12,006,068.34/x
  3. Step 3: Cross multiply
    20,702,739.48x = 28,569,893.79 × 12,006,068.34
  4. Step 4: Simplify right side
    20,702,739.48x = 343,012,097,309,281.56
  5. Step 5: Solve for x
    x = 343,012,097,309,281.56/20,702,739.48
  6. Step 6: Final answer
    x = 16,568,440.02

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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.