Home / 19,686,790.80-29,530,186.20-11,042,017.20

Finding the Fourth Proportional to 19,686,790.80, 29,530,186.20 and 11,042,017.20

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Solution

The fourth proportional to 19,686,790.80, 29,530,186.20 and 11,042,017.20 is: 16,563,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,790.80 : 29,530,186.20 = 11,042,017.20 : x
  2. Step 2: Convert to fraction form
    19,686,790.80/29,530,186.20 = 11,042,017.20/x
  3. Step 3: Cross multiply
    19,686,790.80x = 29,530,186.20 × 11,042,017.20
  4. Step 4: Simplify right side
    19,686,790.80x = 326,072,823,939,602.62
  5. Step 5: Solve for x
    x = 326,072,823,939,602.62/19,686,790.80
  6. Step 6: Final answer
    x = 16,563,025.80

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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.