Finding the Fourth Proportional to 7,827,640.18, 11,745,170.91 and 3,781,860.34
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Solution
The fourth proportional to 7,827,640.18, 11,745,170.91 and 3,781,860.34 is: 5,674,583.28
Step by Step Solution
- Step 1: Write the proportion equation
7,827,640.18 : 11,745,170.91 = 3,781,860.34 : x - Step 2: Convert to fraction form
7,827,640.18/11,745,170.91 = 3,781,860.34/x - Step 3: Cross multiply
7,827,640.18x = 11,745,170.91 × 3,781,860.34 - Step 4: Simplify right side
7,827,640.18x = 44,418,596,051,050.71 - Step 5: Solve for x
x = 44,418,596,051,050.71/7,827,640.18 - Step 6: Final answer
x = 5,674,583.28
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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.