Home / 30,612,356.98-42,246,020.82-16,674,131.68

Finding the Fourth Proportional to 30,612,356.98, 42,246,020.82 and 16,674,131.68

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Solution

The fourth proportional to 30,612,356.98, 42,246,020.82 and 16,674,131.68 is: 23,010,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,612,356.98 : 42,246,020.82 = 16,674,131.68 : x
  2. Step 2: Convert to fraction form
    30,612,356.98/42,246,020.82 = 16,674,131.68/x
  3. Step 3: Cross multiply
    30,612,356.98x = 42,246,020.82 × 16,674,131.68
  4. Step 4: Simplify right side
    30,612,356.98x = 704,415,714,108,701.62
  5. Step 5: Solve for x
    x = 704,415,714,108,701.62/30,612,356.98
  6. Step 6: Final answer
    x = 23,010,829.08

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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.