Finding the Fourth Proportional to 14,244,904.13, 19,657,984.97 and 7,718,528.45
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Solution
The fourth proportional to 14,244,904.13, 19,657,984.97 and 7,718,528.45 is: 10,651,578.63
Step by Step Solution
- Step 1: Write the proportion equation
14,244,904.13 : 19,657,984.97 = 7,718,528.45 : x - Step 2: Convert to fraction form
14,244,904.13/19,657,984.97 = 7,718,528.45/x - Step 3: Cross multiply
14,244,904.13x = 19,657,984.97 × 7,718,528.45 - Step 4: Simplify right side
14,244,904.13x = 151,730,716,329,058.69 - Step 5: Solve for x
x = 151,730,716,329,058.69/14,244,904.13 - Step 6: Final answer
x = 10,651,578.63
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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.