Finding the Fourth Proportional to 8,177,428.60, 12,266,726.10 and 2,497,643.80
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Solution
The fourth proportional to 8,177,428.60, 12,266,726.10 and 2,497,643.80 is: 3,746,643.83
Step by Step Solution
- Step 1: Write the proportion equation
8,177,428.60 : 12,266,726.10 = 2,497,643.80 : x - Step 2: Convert to fraction form
8,177,428.60/12,266,726.10 = 2,497,643.80/x - Step 3: Cross multiply
8,177,428.60x = 12,266,726.10 × 2,497,643.80 - Step 4: Simplify right side
8,177,428.60x = 30,637,912,389,963.18 - Step 5: Solve for x
x = 30,637,912,389,963.18/8,177,428.60 - Step 6: Final answer
x = 3,746,643.83
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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.