Finding the Fourth Proportional to 13,176,888.20, 19,766,806.86 and 4,199,398.28
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Solution
The fourth proportional to 13,176,888.20, 19,766,806.86 and 4,199,398.28 is: 6,299,567.35
Step by Step Solution
- Step 1: Write the proportion equation
13,176,888.20 : 19,766,806.86 = 4,199,398.28 : x - Step 2: Convert to fraction form
13,176,888.20/19,766,806.86 = 4,199,398.28/x - Step 3: Cross multiply
13,176,888.20x = 19,766,806.86 × 4,199,398.28 - Step 4: Simplify right side
13,176,888.20x = 83,008,694,728,976.20 - Step 5: Solve for x
x = 83,008,694,728,976.20/13,176,888.20 - Step 6: Final answer
x = 6,299,567.35
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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.