Home / 30,271,310.55-45,406,965.83-21,183,669.45

Finding the Fourth Proportional to 30,271,310.55, 45,406,965.83 and 21,183,669.45

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Solution

The fourth proportional to 30,271,310.55, 45,406,965.83 and 21,183,669.45 is: 31,775,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,271,310.55 : 45,406,965.83 = 21,183,669.45 : x
  2. Step 2: Convert to fraction form
    30,271,310.55/45,406,965.83 = 21,183,669.45/x
  3. Step 3: Cross multiply
    30,271,310.55x = 45,406,965.83 × 21,183,669.45
  4. Step 4: Simplify right side
    30,271,310.55x = 961,886,154,764,246.62
  5. Step 5: Solve for x
    x = 961,886,154,764,246.62/30,271,310.55
  6. Step 6: Final answer
    x = 31,775,504.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.