Finding the Fourth Proportional to 29,079,851.95, 40,129,675.06 and 15,849,148.03
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Solution
The fourth proportional to 29,079,851.95, 40,129,675.06 and 15,849,148.03 is: 21,871,540.52
Step by Step Solution
- Step 1: Write the proportion equation
29,079,851.95 : 40,129,675.06 = 15,849,148.03 : x - Step 2: Convert to fraction form
29,079,851.95/40,129,675.06 = 15,849,148.03/x - Step 3: Cross multiply
29,079,851.95x = 40,129,675.06 × 15,849,148.03 - Step 4: Simplify right side
29,079,851.95x = 636,021,160,281,792 - Step 5: Solve for x
x = 636,021,160,281,792/29,079,851.95 - Step 6: Final answer
x = 21,871,540.52
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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.