Finding the Fourth Proportional to 19,508,326.12, 29,257,783.26 and 8,142,613.48
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Solution
The fourth proportional to 19,508,326.12, 29,257,783.26 and 8,142,613.48 is: 12,211,956.01
Step by Step Solution
- Step 1: Write the proportion equation
19,508,326.12 : 29,257,783.26 = 8,142,613.48 : x - Step 2: Convert to fraction form
19,508,326.12/29,257,783.26 = 8,142,613.48/x - Step 3: Cross multiply
19,508,326.12x = 29,257,783.26 × 8,142,613.48 - Step 4: Simplify right side
19,508,326.12x = 238,234,820,367,794.38 - Step 5: Solve for x
x = 238,234,820,367,794.38/19,508,326.12 - Step 6: Final answer
x = 12,211,956.01
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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.