Finding the Fourth Proportional to 19,708,518.08, 29,380,599.83 and 19,397,920.34
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Solution
The fourth proportional to 19,708,518.08, 29,380,599.83 and 19,397,920.34 is: 28,917,574.26
Step by Step Solution
- Step 1: Write the proportion equation
19,708,518.08 : 29,380,599.83 = 19,397,920.34 : x - Step 2: Convert to fraction form
19,708,518.08/29,380,599.83 = 19,397,920.34/x - Step 3: Cross multiply
19,708,518.08x = 29,380,599.83 × 19,397,920.34 - Step 4: Simplify right side
19,708,518.08x = 569,922,535,043,757.50 - Step 5: Solve for x
x = 569,922,535,043,757.50/19,708,518.08 - Step 6: Final answer
x = 28,917,574.26
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.