Finding the Fourth Proportional to 27,306,397.18, 40,959,315.23 and 15,784,533.13
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Solution
The fourth proportional to 27,306,397.18, 40,959,315.23 and 15,784,533.13 is: 23,676,637.53
Step by Step Solution
- Step 1: Write the proportion equation
27,306,397.18 : 40,959,315.23 = 15,784,533.13 : x - Step 2: Convert to fraction form
27,306,397.18/40,959,315.23 = 15,784,533.13/x - Step 3: Cross multiply
27,306,397.18x = 40,959,315.23 × 15,784,533.13 - Step 4: Simplify right side
27,306,397.18x = 646,523,668,253,524.25 - Step 5: Solve for x
x = 646,523,668,253,524.25/27,306,397.18 - Step 6: Final answer
x = 23,676,637.53
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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.