Home / 30,644,016.49-42,289,028.02-16,893,472.69

Finding the Fourth Proportional to 30,644,016.49, 42,289,028.02 and 16,893,472.69

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Solution

The fourth proportional to 30,644,016.49, 42,289,028.02 and 16,893,472.69 is: 23,313,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644,016.49 : 42,289,028.02 = 16,893,472.69 : x
  2. Step 2: Convert to fraction form
    30,644,016.49/42,289,028.02 = 16,893,472.69/x
  3. Step 3: Cross multiply
    30,644,016.49x = 42,289,028.02 × 16,893,472.69
  4. Step 4: Simplify right side
    30,644,016.49x = 714,408,539,921,467.12
  5. Step 5: Solve for x
    x = 714,408,539,921,467.12/30,644,016.49
  6. Step 6: Final answer
    x = 23,313,149.57

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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.