Finding the Fourth Proportional to 19,685,269.80, 29,527,904.70 and 7,718,005.80
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Solution
The fourth proportional to 19,685,269.80, 29,527,904.70 and 7,718,005.80 is: 11,577,008.70
Step by Step Solution
- Step 1: Write the proportion equation
19,685,269.80 : 29,527,904.70 = 7,718,005.80 : x - Step 2: Convert to fraction form
19,685,269.80/29,527,904.70 = 7,718,005.80/x - Step 3: Cross multiply
19,685,269.80x = 29,527,904.70 × 7,718,005.80 - Step 4: Simplify right side
19,685,269.80x = 227,896,539,736,447.25 - Step 5: Solve for x
x = 227,896,539,736,447.25/19,685,269.80 - Step 6: Final answer
x = 11,577,008.70
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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.