Finding the Fourth Proportional to 9,705,689.80, 14,558,534.70 and 9,579,718.60
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Solution
The fourth proportional to 9,705,689.80, 14,558,534.70 and 9,579,718.60 is: 14,369,577.90
Step by Step Solution
- Step 1: Write the proportion equation
9,705,689.80 : 14,558,534.70 = 9,579,718.60 : x - Step 2: Convert to fraction form
9,705,689.80/14,558,534.70 = 9,579,718.60/x - Step 3: Cross multiply
9,705,689.80x = 14,558,534.70 × 9,579,718.60 - Step 4: Simplify right side
9,705,689.80x = 139,466,665,654,335.41 - Step 5: Solve for x
x = 139,466,665,654,335.41/9,705,689.80 - Step 6: Final answer
x = 14,369,577.90
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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.