Finding the Fourth Proportional to 19,474,044.97, 26,871,549.55 and 11,102,494.67
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Solution
The fourth proportional to 19,474,044.97, 26,871,549.55 and 11,102,494.67 is: 15,319,941.81
Step by Step Solution
- Step 1: Write the proportion equation
19,474,044.97 : 26,871,549.55 = 11,102,494.67 : x - Step 2: Convert to fraction form
19,474,044.97/26,871,549.55 = 11,102,494.67/x - Step 3: Cross multiply
19,474,044.97x = 26,871,549.55 × 11,102,494.67 - Step 4: Simplify right side
19,474,044.97x = 298,341,235,692,938.50 - Step 5: Solve for x
x = 298,341,235,692,938.50/19,474,044.97 - Step 6: Final answer
x = 15,319,941.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.