Finding the Fourth Proportional to 16,115,893.80, 24,166,842.30 and 5,329,026.60
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Solution
The fourth proportional to 16,115,893.80, 24,166,842.30 and 5,329,026.60 is: 7,991,225.75
Step by Step Solution
- Step 1: Write the proportion equation
16,115,893.80 : 24,166,842.30 = 5,329,026.60 : x - Step 2: Convert to fraction form
16,115,893.80/24,166,842.30 = 5,329,026.60/x - Step 3: Cross multiply
16,115,893.80x = 24,166,842.30 × 5,329,026.60 - Step 4: Simplify right side
16,115,893.80x = 128,785,745,454,705.17 - Step 5: Solve for x
x = 128,785,745,454,705.17/16,115,893.80 - Step 6: Final answer
x = 7,991,225.75
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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.