Finding the Fourth Proportional to 13,587,585.58, 20,394,147.84 and 7,115,306.48
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Solution
The fourth proportional to 13,587,585.58, 20,394,147.84 and 7,115,306.48 is: 10,679,646.61
Step by Step Solution
- Step 1: Write the proportion equation
13,587,585.58 : 20,394,147.84 = 7,115,306.48 : x - Step 2: Convert to fraction form
13,587,585.58/20,394,147.84 = 7,115,306.48/x - Step 3: Cross multiply
13,587,585.58x = 20,394,147.84 × 7,115,306.48 - Step 4: Simplify right side
13,587,585.58x = 145,110,612,280,030 - Step 5: Solve for x
x = 145,110,612,280,030/13,587,585.58 - Step 6: Final answer
x = 10,679,646.61
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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.