Home / 28,223,999.20-42,335,998.80-19,266,047.20

Finding the Fourth Proportional to 28,223,999.20, 42,335,998.80 and 19,266,047.20

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Solution

The fourth proportional to 28,223,999.20, 42,335,998.80 and 19,266,047.20 is: 28,899,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,223,999.20 : 42,335,998.80 = 19,266,047.20 : x
  2. Step 2: Convert to fraction form
    28,223,999.20/42,335,998.80 = 19,266,047.20/x
  3. Step 3: Cross multiply
    28,223,999.20x = 42,335,998.80 × 19,266,047.20
  4. Step 4: Simplify right side
    28,223,999.20x = 815,647,351,139,943.25
  5. Step 5: Solve for x
    x = 815,647,351,139,943.25/28,223,999.20
  6. Step 6: Final answer
    x = 28,899,070.80

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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.