Finding the Fourth Proportional to 19,781,605.80, 29,672,408.70 and 6,134,725.80
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Solution
The fourth proportional to 19,781,605.80, 29,672,408.70 and 6,134,725.80 is: 9,202,088.70
Step by Step Solution
- Step 1: Write the proportion equation
19,781,605.80 : 29,672,408.70 = 6,134,725.80 : x - Step 2: Convert to fraction form
19,781,605.80/29,672,408.70 = 6,134,725.80/x - Step 3: Cross multiply
19,781,605.80x = 29,672,408.70 × 6,134,725.80 - Step 4: Simplify right side
19,781,605.80x = 182,032,091,200,034.44 - Step 5: Solve for x
x = 182,032,091,200,034.44/19,781,605.80 - Step 6: Final answer
x = 9,202,088.70
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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.