Finding the Fourth Proportional to 9,861,801.60, 14,792,702.40 and 6,460,579.20
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Solution
The fourth proportional to 9,861,801.60, 14,792,702.40 and 6,460,579.20 is: 9,690,868.80
Step by Step Solution
- Step 1: Write the proportion equation
9,861,801.60 : 14,792,702.40 = 6,460,579.20 : x - Step 2: Convert to fraction form
9,861,801.60/14,792,702.40 = 6,460,579.20/x - Step 3: Cross multiply
9,861,801.60x = 14,792,702.40 × 6,460,579.20 - Step 4: Simplify right side
9,861,801.60x = 95,569,425,437,230.08 - Step 5: Solve for x
x = 95,569,425,437,230.08/9,861,801.60 - Step 6: Final answer
x = 9,690,868.80
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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.