Finding the Fourth Proportional to 13,751,064.18, 18,963,460.98 and 9,033,130.08
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Solution
The fourth proportional to 13,751,064.18, 18,963,460.98 and 9,033,130.08 is: 12,457,174.77
Step by Step Solution
- Step 1: Write the proportion equation
13,751,064.18 : 18,963,460.98 = 9,033,130.08 : x - Step 2: Convert to fraction form
13,751,064.18/18,963,460.98 = 9,033,130.08/x - Step 3: Cross multiply
13,751,064.18x = 18,963,460.98 × 9,033,130.08 - Step 4: Simplify right side
13,751,064.18x = 171,299,409,799,344.28 - Step 5: Solve for x
x = 171,299,409,799,344.28/13,751,064.18 - Step 6: Final answer
x = 12,457,174.77
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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.