Finding the Fourth Proportional to 19,488,118.32, 29,218,891.08 and 9,884,979.36
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Solution
The fourth proportional to 19,488,118.32, 29,218,891.08 and 9,884,979.36 is: 14,820,729.76
Step by Step Solution
- Step 1: Write the proportion equation
19,488,118.32 : 29,218,891.08 = 9,884,979.36 : x - Step 2: Convert to fraction form
19,488,118.32/29,218,891.08 = 9,884,979.36/x - Step 3: Cross multiply
19,488,118.32x = 29,218,891.08 × 9,884,979.36 - Step 4: Simplify right side
19,488,118.32x = 288,828,135,247,888.06 - Step 5: Solve for x
x = 288,828,135,247,888.06/19,488,118.32 - Step 6: Final answer
x = 14,820,729.76
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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.