Finding the Fourth Proportional to 7,417,376.20, 11,120,750.70 and 2,864,528.20
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Solution
The fourth proportional to 7,417,376.20, 11,120,750.70 and 2,864,528.20 is: 4,294,740.23
Step by Step Solution
- Step 1: Write the proportion equation
7,417,376.20 : 11,120,750.70 = 2,864,528.20 : x - Step 2: Convert to fraction form
7,417,376.20/11,120,750.70 = 2,864,528.20/x - Step 3: Cross multiply
7,417,376.20x = 11,120,750.70 × 2,864,528.20 - Step 4: Simplify right side
7,417,376.20x = 31,855,703,985,319.74 - Step 5: Solve for x
x = 31,855,703,985,319.74/7,417,376.20 - Step 6: Final answer
x = 4,294,740.23
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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.