Finding the Fourth Proportional to 39,634,186.84, 59,437,011.90 and 13,719,446.98
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Solution
The fourth proportional to 39,634,186.84, 59,437,011.90 and 13,719,446.98 is: 20,574,231.45
Step by Step Solution
- Step 1: Write the proportion equation
39,634,186.84 : 59,437,011.90 = 13,719,446.98 : x - Step 2: Convert to fraction form
39,634,186.84/59,437,011.90 = 13,719,446.98/x - Step 3: Cross multiply
39,634,186.84x = 59,437,011.90 × 13,719,446.98 - Step 4: Simplify right side
39,634,186.84x = 815,442,933,411,679.12 - Step 5: Solve for x
x = 815,442,933,411,679.12/39,634,186.84 - Step 6: Final answer
x = 20,574,231.45
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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.