Finding the Fourth Proportional to 13,121,237.88, 19,679,613.62 and 3,534,374.39
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Solution
The fourth proportional to 13,121,237.88, 19,679,613.62 and 3,534,374.39 is: 5,300,957.34
Step by Step Solution
- Step 1: Write the proportion equation
13,121,237.88 : 19,679,613.62 = 3,534,374.39 : x - Step 2: Convert to fraction form
13,121,237.88/19,679,613.62 = 3,534,374.39/x - Step 3: Cross multiply
13,121,237.88x = 19,679,613.62 × 3,534,374.39 - Step 4: Simplify right side
13,121,237.88x = 69,555,122,267,553.24 - Step 5: Solve for x
x = 69,555,122,267,553.24/13,121,237.88 - Step 6: Final answer
x = 5,300,957.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.