Finding the Fourth Proportional to 16,541,408.40, 24,808,841.74 and 15,721,140.88
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Solution
The fourth proportional to 16,541,408.40, 24,808,841.74 and 15,721,140.88 is: 23,578,602.66
Step by Step Solution
- Step 1: Write the proportion equation
16,541,408.40 : 24,808,841.74 = 15,721,140.88 : x - Step 2: Convert to fraction form
16,541,408.40/24,808,841.74 = 15,721,140.88/x - Step 3: Cross multiply
16,541,408.40x = 24,808,841.74 × 15,721,140.88 - Step 4: Simplify right side
16,541,408.40x = 390,023,296,064,164.31 - Step 5: Solve for x
x = 390,023,296,064,164.31/16,541,408.40 - Step 6: Final answer
x = 23,578,602.66
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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.