Finding the Fourth Proportional to 13,325,514.57, 19,996,235.10 and 12,241,374.93
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Solution
The fourth proportional to 13,325,514.57, 19,996,235.10 and 12,241,374.93 is: 18,369,377.76
Step by Step Solution
- Step 1: Write the proportion equation
13,325,514.57 : 19,996,235.10 = 12,241,374.93 : x - Step 2: Convert to fraction form
13,325,514.57/19,996,235.10 = 12,241,374.93/x - Step 3: Cross multiply
13,325,514.57x = 19,996,235.10 × 12,241,374.93 - Step 4: Simplify right side
13,325,514.57x = 244,781,411,047,526.06 - Step 5: Solve for x
x = 244,781,411,047,526.06/13,325,514.57 - Step 6: Final answer
x = 18,369,377.76
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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.