Finding the Fourth Proportional to 20,924,539.05, 31,387,397.58 and 5,778,470.55
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Solution
The fourth proportional to 20,924,539.05, 31,387,397.58 and 5,778,470.55 is: 8,667,868.48
Step by Step Solution
- Step 1: Write the proportion equation
20,924,539.05 : 31,387,397.58 = 5,778,470.55 : x - Step 2: Convert to fraction form
20,924,539.05/31,387,397.58 = 5,778,470.55/x - Step 3: Cross multiply
20,924,539.05x = 31,387,397.58 × 5,778,470.55 - Step 4: Simplify right side
20,924,539.05x = 181,371,152,557,171.25 - Step 5: Solve for x
x = 181,371,152,557,171.25/20,924,539.05 - Step 6: Final answer
x = 8,667,868.48
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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.