Finding the Fourth Proportional to 19,944,170.52, 29,921,588.84 and 7,164,787.56
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Solution
The fourth proportional to 19,944,170.52, 29,921,588.84 and 7,164,787.56 is: 10,749,097.20
Step by Step Solution
- Step 1: Write the proportion equation
19,944,170.52 : 29,921,588.84 = 7,164,787.56 : x - Step 2: Convert to fraction form
19,944,170.52/29,921,588.84 = 7,164,787.56/x - Step 3: Cross multiply
19,944,170.52x = 29,921,588.84 × 7,164,787.56 - Step 4: Simplify right side
19,944,170.52x = 214,381,827,496,266.81 - Step 5: Solve for x
x = 214,381,827,496,266.81/19,944,170.52 - Step 6: Final answer
x = 10,749,097.20
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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.