Home / 30,579,226.48-42,199,338.90-16,828,190.56

Finding the Fourth Proportional to 30,579,226.48, 42,199,338.90 and 16,828,190.56

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Solution

The fourth proportional to 30,579,226.48, 42,199,338.90 and 16,828,190.56 is: 23,222,906.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,226.48 : 42,199,338.90 = 16,828,190.56 : x
  2. Step 2: Convert to fraction form
    30,579,226.48/42,199,338.90 = 16,828,190.56/x
  3. Step 3: Cross multiply
    30,579,226.48x = 42,199,338.90 × 16,828,190.56
  4. Step 4: Simplify right side
    30,579,226.48x = 710,138,516,515,220.75
  5. Step 5: Solve for x
    x = 710,138,516,515,220.75/30,579,226.48
  6. Step 6: Final answer
    x = 23,222,906.47

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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.