Finding the Fourth Proportional to 19,225,628.24, 28,818,506.64 and 12,020,619.92
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Solution
The fourth proportional to 19,225,628.24, 28,818,506.64 and 12,020,619.92 is: 18,018,465.28
Step by Step Solution
- Step 1: Write the proportion equation
19,225,628.24 : 28,818,506.64 = 12,020,619.92 : x - Step 2: Convert to fraction form
19,225,628.24/28,818,506.64 = 12,020,619.92/x - Step 3: Cross multiply
19,225,628.24x = 28,818,506.64 × 12,020,619.92 - Step 4: Simplify right side
19,225,628.24x = 346,416,314,981,436.25 - Step 5: Solve for x
x = 346,416,314,981,436.25/19,225,628.24 - Step 6: Final answer
x = 18,018,465.28
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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.