Finding the Fourth Proportional to 28,473,409.88, 42,717,395.08 and 8,278,651.88
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Solution
The fourth proportional to 28,473,409.88, 42,717,395.08 and 8,278,651.88 is: 12,420,094.56
Step by Step Solution
- Step 1: Write the proportion equation
28,473,409.88 : 42,717,395.08 = 8,278,651.88 : x - Step 2: Convert to fraction form
28,473,409.88/42,717,395.08 = 8,278,651.88/x - Step 3: Cross multiply
28,473,409.88x = 42,717,395.08 × 8,278,651.88 - Step 4: Simplify right side
28,473,409.88x = 353,642,443,087,744.75 - Step 5: Solve for x
x = 353,642,443,087,744.75/28,473,409.88 - Step 6: Final answer
x = 12,420,094.56
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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.