Finding the Fourth Proportional to 19,418,139.60, 29,134,207.80 and 8,066,734.80
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Solution
The fourth proportional to 19,418,139.60, 29,134,207.80 and 8,066,734.80 is: 12,103,009.49
Step by Step Solution
- Step 1: Write the proportion equation
19,418,139.60 : 29,134,207.80 = 8,066,734.80 : x - Step 2: Convert to fraction form
19,418,139.60/29,134,207.80 = 8,066,734.80/x - Step 3: Cross multiply
19,418,139.60x = 29,134,207.80 × 8,066,734.80 - Step 4: Simplify right side
19,418,139.60x = 235,017,927,930,691.44 - Step 5: Solve for x
x = 235,017,927,930,691.44/19,418,139.60 - Step 6: Final answer
x = 12,103,009.49
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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.