Finding the Fourth Proportional to 14,224,902, 19,630,675.80 and 7,786,374
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Solution
The fourth proportional to 14,224,902, 19,630,675.80 and 7,786,374 is: 10,745,366.38
Step by Step Solution
- Step 1: Write the proportion equation
14,224,902 : 19,630,675.80 = 7,786,374 : x - Step 2: Convert to fraction form
14,224,902/19,630,675.80 = 7,786,374/x - Step 3: Cross multiply
14,224,902x = 19,630,675.80 × 7,786,374 - Step 4: Simplify right side
14,224,902x = 152,851,783,651,549.22 - Step 5: Solve for x
x = 152,851,783,651,549.22/14,224,902 - Step 6: Final answer
x = 10,745,366.38
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1.5x scale
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.