Home / 19,957,116.10-29,935,674.15-12,782,662.60

Finding the Fourth Proportional to 19,957,116.10, 29,935,674.15 and 12,782,662.60

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Solution

The fourth proportional to 19,957,116.10, 29,935,674.15 and 12,782,662.60 is: 19,173,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957,116.10 : 29,935,674.15 = 12,782,662.60 : x
  2. Step 2: Convert to fraction form
    19,957,116.10/29,935,674.15 = 12,782,662.60/x
  3. Step 3: Cross multiply
    19,957,116.10x = 29,935,674.15 × 12,782,662.60
  4. Step 4: Simplify right side
    19,957,116.10x = 382,657,622,362,991.75
  5. Step 5: Solve for x
    x = 382,657,622,362,991.75/19,957,116.10
  6. Step 6: Final answer
    x = 19,173,993.90

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Why These Related Problems?

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