Finding the Fourth Proportional to 19,966,545.36, 29,871,016.18 and 15,122,805.10
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Solution
The fourth proportional to 19,966,545.36, 29,871,016.18 and 15,122,805.10 is: 22,624,522.55
Step by Step Solution
- Step 1: Write the proportion equation
19,966,545.36 : 29,871,016.18 = 15,122,805.10 : x - Step 2: Convert to fraction form
19,966,545.36/29,871,016.18 = 15,122,805.10/x - Step 3: Cross multiply
19,966,545.36x = 29,871,016.18 × 15,122,805.10 - Step 4: Simplify right side
19,966,545.36x = 451,733,555,716,601.94 - Step 5: Solve for x
x = 451,733,555,716,601.94/19,966,545.36 - Step 6: Final answer
x = 22,624,522.55
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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.