Finding the Fourth Proportional to 33,159,230.80, 49,639,313.40 and 19,689,125.20
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Solution
The fourth proportional to 33,159,230.80, 49,639,313.40 and 19,689,125.20 is: 29,474,587.70
Step by Step Solution
- Step 1: Write the proportion equation
33,159,230.80 : 49,639,313.40 = 19,689,125.20 : x - Step 2: Convert to fraction form
33,159,230.80/49,639,313.40 = 19,689,125.20/x - Step 3: Cross multiply
33,159,230.80x = 49,639,313.40 × 19,689,125.20 - Step 4: Simplify right side
33,159,230.80x = 977,354,656,374,637.62 - Step 5: Solve for x
x = 977,354,656,374,637.62/33,159,230.80 - Step 6: Final answer
x = 29,474,587.70
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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.