Finding the Fourth Proportional to 13,121,237.58, 19,679,613.18 and 3,534,374.10
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Solution
The fourth proportional to 13,121,237.58, 19,679,613.18 and 3,534,374.10 is: 5,300,956.92
Step by Step Solution
- Step 1: Write the proportion equation
13,121,237.58 : 19,679,613.18 = 3,534,374.10 : x - Step 2: Convert to fraction form
13,121,237.58/19,679,613.18 = 3,534,374.10/x - Step 3: Cross multiply
13,121,237.58x = 19,679,613.18 × 3,534,374.10 - Step 4: Simplify right side
13,121,237.58x = 69,555,115,121,410.64 - Step 5: Solve for x
x = 69,555,115,121,410.64/13,121,237.58 - Step 6: Final answer
x = 5,300,956.92
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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.