Finding the Fourth Proportional to 16,536,347.90, 24,804,521.85 and 11,965,955.30
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Solution
The fourth proportional to 16,536,347.90, 24,804,521.85 and 11,965,955.30 is: 17,948,932.95
Step by Step Solution
- Step 1: Write the proportion equation
16,536,347.90 : 24,804,521.85 = 11,965,955.30 : x - Step 2: Convert to fraction form
16,536,347.90/24,804,521.85 = 11,965,955.30/x - Step 3: Cross multiply
16,536,347.90x = 24,804,521.85 × 11,965,955.30 - Step 4: Simplify right side
16,536,347.90x = 296,809,799,694,973.31 - Step 5: Solve for x
x = 296,809,799,694,973.31/16,536,347.90 - Step 6: Final answer
x = 17,948,932.95
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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.