Finding the Fourth Proportional to 14,223,290.56, 19,628,140.96 and 7,696,920.08
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Solution
The fourth proportional to 14,223,290.56, 19,628,140.96 and 7,696,920.08 is: 10,621,749.71
Step by Step Solution
- Step 1: Write the proportion equation
14,223,290.56 : 19,628,140.96 = 7,696,920.08 : x - Step 2: Convert to fraction form
14,223,290.56/19,628,140.96 = 7,696,920.08/x - Step 3: Cross multiply
14,223,290.56x = 19,628,140.96 × 7,696,920.08 - Step 4: Simplify right side
14,223,290.56x = 151,076,232,346,785.97 - Step 5: Solve for x
x = 151,076,232,346,785.97/14,223,290.56 - Step 6: Final answer
x = 10,621,749.71
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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.