Finding the Fourth Proportional to 7,712,644.12, 11,566,636.98 and 2,319,862.96
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Solution
The fourth proportional to 7,712,644.12, 11,566,636.98 and 2,319,862.96 is: 3,479,093.85
Step by Step Solution
- Step 1: Write the proportion equation
7,712,644.12 : 11,566,636.98 = 2,319,862.96 : x - Step 2: Convert to fraction form
7,712,644.12/11,566,636.98 = 2,319,862.96/x - Step 3: Cross multiply
7,712,644.12x = 11,566,636.98 × 2,319,862.96 - Step 4: Simplify right side
7,712,644.12x = 26,833,012,701,668.26 - Step 5: Solve for x
x = 26,833,012,701,668.26/7,712,644.12 - Step 6: Final answer
x = 3,479,093.85
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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.