Finding the Fourth Proportional to 42,221,358.40, 58,263,772.21 and 24,580,768.62
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Solution
The fourth proportional to 42,221,358.40, 58,263,772.21 and 24,580,768.62 is: 33,920,469.59
Step by Step Solution
- Step 1: Write the proportion equation
42,221,358.40 : 58,263,772.21 = 24,580,768.62 : x - Step 2: Convert to fraction form
42,221,358.40/58,263,772.21 = 24,580,768.62/x - Step 3: Cross multiply
42,221,358.40x = 58,263,772.21 × 24,580,768.62 - Step 4: Simplify right side
42,221,358.40x = 1,432,168,303,622,396.25 - Step 5: Solve for x
x = 1,432,168,303,622,396.25/42,221,358.40 - Step 6: Final answer
x = 33,920,469.59
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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.