Home / 30,429,482.13-41,993,700.89-16,678,481.49

Finding the Fourth Proportional to 30,429,482.13, 41,993,700.89 and 16,678,481.49

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Solution

The fourth proportional to 30,429,482.13, 41,993,700.89 and 16,678,481.49 is: 23,016,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429,482.13 : 41,993,700.89 = 16,678,481.49 : x
  2. Step 2: Convert to fraction form
    30,429,482.13/41,993,700.89 = 16,678,481.49/x
  3. Step 3: Cross multiply
    30,429,482.13x = 41,993,700.89 × 16,678,481.49
  4. Step 4: Simplify right side
    30,429,482.13x = 700,391,162,907,069.12
  5. Step 5: Solve for x
    x = 700,391,162,907,069.12/30,429,482.13
  6. Step 6: Final answer
    x = 23,016,861.08

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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.