Finding the Fourth Proportional to 20,270,637.35, 30,411,138.90 and 5,893,705.08
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Solution
The fourth proportional to 20,270,637.35, 30,411,138.90 and 5,893,705.08 is: 8,842,064.55
Step by Step Solution
- Step 1: Write the proportion equation
20,270,637.35 : 30,411,138.90 = 5,893,705.08 : x - Step 2: Convert to fraction form
20,270,637.35/30,411,138.90 = 5,893,705.08/x - Step 3: Cross multiply
20,270,637.35x = 30,411,138.90 × 5,893,705.08 - Step 4: Simplify right side
20,270,637.35x = 179,234,283,845,617 - Step 5: Solve for x
x = 179,234,283,845,617/20,270,637.35 - Step 6: Final answer
x = 8,842,064.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.