Finding the Fourth Proportional to 9,851,101.80, 14,776,652.70 and 8,292,208.20
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Solution
The fourth proportional to 9,851,101.80, 14,776,652.70 and 8,292,208.20 is: 12,438,312.30
Step by Step Solution
- Step 1: Write the proportion equation
9,851,101.80 : 14,776,652.70 = 8,292,208.20 : x - Step 2: Convert to fraction form
9,851,101.80/14,776,652.70 = 8,292,208.20/x - Step 3: Cross multiply
9,851,101.80x = 14,776,652.70 × 8,292,208.20 - Step 4: Simplify right side
9,851,101.80x = 122,531,080,687,492.14 - Step 5: Solve for x
x = 122,531,080,687,492.14/9,851,101.80 - Step 6: Final answer
x = 12,438,312.30
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1.5x scale
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.