Finding the Fourth Proportional to 28,506,920.99, 39,338,035.84 and 16,116,273.60
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Solution
The fourth proportional to 28,506,920.99, 39,338,035.84 and 16,116,273.60 is: 22,239,600.99
Step by Step Solution
- Step 1: Write the proportion equation
28,506,920.99 : 39,338,035.84 = 16,116,273.60 : x - Step 2: Convert to fraction form
28,506,920.99/39,338,035.84 = 16,116,273.60/x - Step 3: Cross multiply
28,506,920.99x = 39,338,035.84 × 16,116,273.60 - Step 4: Simplify right side
28,506,920.99x = 633,982,548,287,355.75 - Step 5: Solve for x
x = 633,982,548,287,355.75/28,506,920.99 - Step 6: Final answer
x = 22,239,600.99
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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.