Finding the Fourth Proportional to 28,753,302.08, 39,612,124.68 and 20,035,657.28
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Solution
The fourth proportional to 28,753,302.08, 39,612,124.68 and 20,035,657.28 is: 27,602,219.46
Step by Step Solution
- Step 1: Write the proportion equation
28,753,302.08 : 39,612,124.68 = 20,035,657.28 : x - Step 2: Convert to fraction form
28,753,302.08/39,612,124.68 = 20,035,657.28/x - Step 3: Cross multiply
28,753,302.08x = 39,612,124.68 × 20,035,657.28 - Step 4: Simplify right side
28,753,302.08x = 793,654,954,221,109.75 - Step 5: Solve for x
x = 793,654,954,221,109.75/28,753,302.08 - Step 6: Final answer
x = 27,602,219.46
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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.