Finding the Fourth Proportional to 9,976,962.65, 13,768,228.53 and 5,393,284.02
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Solution
The fourth proportional to 9,976,962.65, 13,768,228.53 and 5,393,284.02 is: 7,442,742.80
Step by Step Solution
- Step 1: Write the proportion equation
9,976,962.65 : 13,768,228.53 = 5,393,284.02 : x - Step 2: Convert to fraction form
9,976,962.65/13,768,228.53 = 5,393,284.02/x - Step 3: Cross multiply
9,976,962.65x = 13,768,228.53 × 5,393,284.02 - Step 4: Simplify right side
9,976,962.65x = 74,255,966,914,557.08 - Step 5: Solve for x
x = 74,255,966,914,557.08/9,976,962.65 - Step 6: Final answer
x = 7,442,742.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.