Home / 30,388,005.74-45,585,755.94-9,912,250.64

Finding the Fourth Proportional to 30,388,005.74, 45,585,755.94 and 9,912,250.64

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Solution

The fourth proportional to 30,388,005.74, 45,585,755.94 and 9,912,250.64 is: 14,869,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388,005.74 : 45,585,755.94 = 9,912,250.64 : x
  2. Step 2: Convert to fraction form
    30,388,005.74/45,585,755.94 = 9,912,250.64/x
  3. Step 3: Cross multiply
    30,388,005.74x = 45,585,755.94 × 9,912,250.64
  4. Step 4: Simplify right side
    30,388,005.74x = 451,857,438,491,148.81
  5. Step 5: Solve for x
    x = 451,857,438,491,148.81/30,388,005.74
  6. Step 6: Final answer
    x = 14,869,598.30

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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.