Finding the Fourth Proportional to 19,339,503.63, 28,999,272.42 and 5,690,876.19
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Solution
The fourth proportional to 19,339,503.63, 28,999,272.42 and 5,690,876.19 is: 8,533,376.66
Step by Step Solution
- Step 1: Write the proportion equation
19,339,503.63 : 28,999,272.42 = 5,690,876.19 : x - Step 2: Convert to fraction form
19,339,503.63/28,999,272.42 = 5,690,876.19/x - Step 3: Cross multiply
19,339,503.63x = 28,999,272.42 × 5,690,876.19 - Step 4: Simplify right side
19,339,503.63x = 165,031,268,942,301.69 - Step 5: Solve for x
x = 165,031,268,942,301.69/19,339,503.63 - Step 6: Final answer
x = 8,533,376.66
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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.