Finding the Fourth Proportional to 19,588,349.52, 27,031,578.12 and 10,886,521.68
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Solution
The fourth proportional to 19,588,349.52, 27,031,578.12 and 10,886,521.68 is: 15,023,208.61
Step by Step Solution
- Step 1: Write the proportion equation
19,588,349.52 : 27,031,578.12 = 10,886,521.68 : x - Step 2: Convert to fraction form
19,588,349.52/27,031,578.12 = 10,886,521.68/x - Step 3: Cross multiply
19,588,349.52x = 27,031,578.12 × 10,886,521.68 - Step 4: Simplify right side
19,588,349.52x = 294,279,861,247,993.62 - Step 5: Solve for x
x = 294,279,861,247,993.62/19,588,349.52 - Step 6: Final answer
x = 15,023,208.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.