Finding the Fourth Proportional to 14,223,201.93, 19,627,869.09 and 7,696,688.49
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Solution
The fourth proportional to 14,223,201.93, 19,627,869.09 and 7,696,688.49 is: 10,621,349.18
Step by Step Solution
- Step 1: Write the proportion equation
14,223,201.93 : 19,627,869.09 = 7,696,688.49 : x - Step 2: Convert to fraction form
14,223,201.93/19,627,869.09 = 7,696,688.49/x - Step 3: Cross multiply
14,223,201.93x = 19,627,869.09 × 7,696,688.49 - Step 4: Simplify right side
14,223,201.93x = 151,069,594,108,229.78 - Step 5: Solve for x
x = 151,069,594,108,229.78/14,223,201.93 - Step 6: Final answer
x = 10,621,349.18
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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.