Finding the Fourth Proportional to 49,120,821.68, 73,681,405.32 and 15,042,017.84
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Solution
The fourth proportional to 49,120,821.68, 73,681,405.32 and 15,042,017.84 is: 22,563,079.68
Step by Step Solution
- Step 1: Write the proportion equation
49,120,821.68 : 73,681,405.32 = 15,042,017.84 : x - Step 2: Convert to fraction form
49,120,821.68/73,681,405.32 = 15,042,017.84/x - Step 3: Cross multiply
49,120,821.68x = 73,681,405.32 × 15,042,017.84 - Step 4: Simplify right side
49,120,821.68x = 1,108,317,013,299,710.75 - Step 5: Solve for x
x = 1,108,317,013,299,710.75/49,120,821.68 - Step 6: Final answer
x = 22,563,079.68
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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.