Finding the Fourth Proportional to 28,189,056, 42,283,584 and 6,913,920
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Solution
The fourth proportional to 28,189,056, 42,283,584 and 6,913,920 is: 10,370,880
Step by Step Solution
- Step 1: Write the proportion equation
28,189,056 : 42,283,584 = 6,913,920 : x - Step 2: Convert to fraction form
28,189,056/42,283,584 = 6,913,920/x - Step 3: Cross multiply
28,189,056x = 42,283,584 × 6,913,920 - Step 4: Simplify right side
28,189,056x = 292,345,317,089,280 - Step 5: Solve for x
x = 292,345,317,089,280/28,189,056 - Step 6: Final answer
x = 10,370,880
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.