Finding the Fourth Proportional to 19,280,544.44, 28,920,691.80 and 4,903,488.02
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Solution
The fourth proportional to 19,280,544.44, 28,920,691.80 and 4,903,488.02 is: 7,355,200.28
Step by Step Solution
- Step 1: Write the proportion equation
19,280,544.44 : 28,920,691.80 = 4,903,488.02 : x - Step 2: Convert to fraction form
19,280,544.44/28,920,691.80 = 4,903,488.02/x - Step 3: Cross multiply
19,280,544.44x = 28,920,691.80 × 4,903,488.02 - Step 4: Simplify right side
19,280,544.44x = 141,812,265,843,713.97 - Step 5: Solve for x
x = 141,812,265,843,713.97/19,280,544.44 - Step 6: Final answer
x = 7,355,200.28
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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.