Home / 30,766,134.85-42,456,922.10-16,827,890.41

Finding the Fourth Proportional to 30,766,134.85, 42,456,922.10 and 16,827,890.41

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Solution

The fourth proportional to 30,766,134.85, 42,456,922.10 and 16,827,890.41 is: 23,222,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766,134.85 : 42,456,922.10 = 16,827,890.41 : x
  2. Step 2: Convert to fraction form
    30,766,134.85/42,456,922.10 = 16,827,890.41/x
  3. Step 3: Cross multiply
    30,766,134.85x = 42,456,922.10 × 16,827,890.41
  4. Step 4: Simplify right side
    30,766,134.85x = 714,460,432,180,634.38
  5. Step 5: Solve for x
    x = 714,460,432,180,634.38/30,766,134.85
  6. Step 6: Final answer
    x = 23,222,300.61

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1.5x scale

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.