Finding the Fourth Proportional to 19,845,750.84, 27,385,454.70 and 12,008,182.20
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Solution
The fourth proportional to 19,845,750.84, 27,385,454.70 and 12,008,182.20 is: 16,570,274.03
Step by Step Solution
- Step 1: Write the proportion equation
19,845,750.84 : 27,385,454.70 = 12,008,182.20 : x - Step 2: Convert to fraction form
19,845,750.84/27,385,454.70 = 12,008,182.20/x - Step 3: Cross multiply
19,845,750.84x = 27,385,454.70 × 12,008,182.20 - Step 4: Simplify right side
19,845,750.84x = 328,849,529,667,446.31 - Step 5: Solve for x
x = 328,849,529,667,446.31/19,845,750.84 - Step 6: Final answer
x = 16,570,274.03
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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.