Home / 30,578,682.12-42,198,590.04-16,827,646.26

Finding the Fourth Proportional to 30,578,682.12, 42,198,590.04 and 16,827,646.26

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Solution

The fourth proportional to 30,578,682.12, 42,198,590.04 and 16,827,646.26 is: 23,222,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578,682.12 : 42,198,590.04 = 16,827,646.26 : x
  2. Step 2: Convert to fraction form
    30,578,682.12/42,198,590.04 = 16,827,646.26/x
  3. Step 3: Cross multiply
    30,578,682.12x = 42,198,590.04 × 16,827,646.26
  4. Step 4: Simplify right side
    30,578,682.12x = 710,102,945,863,879.25
  5. Step 5: Solve for x
    x = 710,102,945,863,879.25/30,578,682.12
  6. Step 6: Final answer
    x = 23,222,156.63

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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.