Finding the Fourth Proportional to 28,331,877.30, 42,497,815.95 and 26,064,395.70
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Solution
The fourth proportional to 28,331,877.30, 42,497,815.95 and 26,064,395.70 is: 39,096,593.55
Step by Step Solution
- Step 1: Write the proportion equation
28,331,877.30 : 42,497,815.95 = 26,064,395.70 : x - Step 2: Convert to fraction form
28,331,877.30/42,497,815.95 = 26,064,395.70/x - Step 3: Cross multiply
28,331,877.30x = 42,497,815.95 × 26,064,395.70 - Step 4: Simplify right side
28,331,877.30x = 1,107,679,891,306,571.50 - Step 5: Solve for x
x = 1,107,679,891,306,571.50/28,331,877.30 - Step 6: Final answer
x = 39,096,593.55
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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.