Finding the Fourth Proportional to 35,634,910.73, 49,176,176.81 and 19,337,386.73
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Solution
The fourth proportional to 35,634,910.73, 49,176,176.81 and 19,337,386.73 is: 26,685,593.68
Step by Step Solution
- Step 1: Write the proportion equation
35,634,910.73 : 49,176,176.81 = 19,337,386.73 : x - Step 2: Convert to fraction form
35,634,910.73/49,176,176.81 = 19,337,386.73/x - Step 3: Cross multiply
35,634,910.73x = 49,176,176.81 × 19,337,386.73 - Step 4: Simplify right side
35,634,910.73x = 950,938,748,535,260 - Step 5: Solve for x
x = 950,938,748,535,260/35,634,910.73 - Step 6: Final answer
x = 26,685,593.68
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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.