Finding the Fourth Proportional to 12,967,501.68, 19,451,252.16 and 4,882,291.20
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Solution
The fourth proportional to 12,967,501.68, 19,451,252.16 and 4,882,291.20 is: 7,323,436.66
Step by Step Solution
- Step 1: Write the proportion equation
12,967,501.68 : 19,451,252.16 = 4,882,291.20 : x - Step 2: Convert to fraction form
12,967,501.68/19,451,252.16 = 4,882,291.20/x - Step 3: Cross multiply
12,967,501.68x = 19,451,252.16 × 4,882,291.20 - Step 4: Simplify right side
12,967,501.68x = 94,966,677,249,749 - Step 5: Solve for x
x = 94,966,677,249,749/12,967,501.68 - Step 6: Final answer
x = 7,323,436.66
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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.