Finding the Fourth Proportional to 23,122,012.08, 31,835,578.68 and 19,630,444.80
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Solution
The fourth proportional to 23,122,012.08, 31,835,578.68 and 19,630,444.80 is: 27,028,208.78
Step by Step Solution
- Step 1: Write the proportion equation
23,122,012.08 : 31,835,578.68 = 19,630,444.80 : x - Step 2: Convert to fraction form
23,122,012.08/31,835,578.68 = 19,630,444.80/x - Step 3: Cross multiply
23,122,012.08x = 31,835,578.68 × 19,630,444.80 - Step 4: Simplify right side
23,122,012.08x = 624,946,569,953,796.88 - Step 5: Solve for x
x = 624,946,569,953,796.88/23,122,012.08 - Step 6: Final answer
x = 27,028,208.78
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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.