Finding the Fourth Proportional to 13,751,066.18, 18,963,463.74 and 9,033,132.08
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Solution
The fourth proportional to 13,751,066.18, 18,963,463.74 and 9,033,132.08 is: 12,457,177.53
Step by Step Solution
- Step 1: Write the proportion equation
13,751,066.18 : 18,963,463.74 = 9,033,132.08 : x - Step 2: Convert to fraction form
13,751,066.18/18,963,463.74 = 9,033,132.08/x - Step 3: Cross multiply
13,751,066.18x = 18,963,463.74 × 9,033,132.08 - Step 4: Simplify right side
13,751,066.18x = 171,299,472,657,710.78 - Step 5: Solve for x
x = 171,299,472,657,710.78/13,751,066.18 - Step 6: Final answer
x = 12,457,177.53
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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.