Finding the Fourth Proportional to 7,187,432.19, 9,919,526.21 and 4,090,708.50
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Solution
The fourth proportional to 7,187,432.19, 9,919,526.21 and 4,090,708.50 is: 5,645,672.76
Step by Step Solution
- Step 1: Write the proportion equation
7,187,432.19 : 9,919,526.21 = 4,090,708.50 : x - Step 2: Convert to fraction form
7,187,432.19/9,919,526.21 = 4,090,708.50/x - Step 3: Cross multiply
7,187,432.19x = 9,919,526.21 × 4,090,708.50 - Step 4: Simplify right side
7,187,432.19x = 40,577,890,162,766.24 - Step 5: Solve for x
x = 40,577,890,162,766.24/7,187,432.19 - Step 6: Final answer
x = 5,645,672.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.