Home / 30,608,932.61-42,238,389.21-16,857,896.74

Finding the Fourth Proportional to 30,608,932.61, 42,238,389.21 and 16,857,896.74

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Solution

The fourth proportional to 30,608,932.61, 42,238,389.21 and 16,857,896.74 is: 23,262,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,608,932.61 : 42,238,389.21 = 16,857,896.74 : x
  2. Step 2: Convert to fraction form
    30,608,932.61/42,238,389.21 = 16,857,896.74/x
  3. Step 3: Cross multiply
    30,608,932.61x = 42,238,389.21 × 16,857,896.74
  4. Step 4: Simplify right side
    30,608,932.61x = 712,050,403,766,110.12
  5. Step 5: Solve for x
    x = 712,050,403,766,110.12/30,608,932.61
  6. Step 6: Final answer
    x = 23,262,830.26

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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.