Home / 30,684,722.88-42,344,874.72-16,933,684.80

Finding the Fourth Proportional to 30,684,722.88, 42,344,874.72 and 16,933,684.80

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Solution

The fourth proportional to 30,684,722.88, 42,344,874.72 and 16,933,684.80 is: 23,368,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,684,722.88 : 42,344,874.72 = 16,933,684.80 : x
  2. Step 2: Convert to fraction form
    30,684,722.88/42,344,874.72 = 16,933,684.80/x
  3. Step 3: Cross multiply
    30,684,722.88x = 42,344,874.72 × 16,933,684.80
  4. Step 4: Simplify right side
    30,684,722.88x = 717,054,761,403,968.25
  5. Step 5: Solve for x
    x = 717,054,761,403,968.25/30,684,722.88
  6. Step 6: Final answer
    x = 23,368,461.37

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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.