Finding the Fourth Proportional to 8,998,159.34, 13,498,638.69 and 2,931,478.75
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Solution
The fourth proportional to 8,998,159.34, 13,498,638.69 and 2,931,478.75 is: 4,397,674.12
Step by Step Solution
- Step 1: Write the proportion equation
8,998,159.34 : 13,498,638.69 = 2,931,478.75 : x - Step 2: Convert to fraction form
8,998,159.34/13,498,638.69 = 2,931,478.75/x - Step 3: Cross multiply
8,998,159.34x = 13,498,638.69 × 2,931,478.75 - Step 4: Simplify right side
8,998,159.34x = 39,570,972,501,529.18 - Step 5: Solve for x
x = 39,570,972,501,529.18/8,998,159.34 - Step 6: Final answer
x = 4,397,674.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.