Finding the Fourth Proportional to 29,006,356.68, 40,029,914.30 and 15,954,830.02
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Solution
The fourth proportional to 29,006,356.68, 40,029,914.30 and 15,954,830.02 is: 22,018,293.62
Step by Step Solution
- Step 1: Write the proportion equation
29,006,356.68 : 40,029,914.30 = 15,954,830.02 : x - Step 2: Convert to fraction form
29,006,356.68/40,029,914.30 = 15,954,830.02/x - Step 3: Cross multiply
29,006,356.68x = 40,029,914.30 × 15,954,830.02 - Step 4: Simplify right side
29,006,356.68x = 638,670,478,191,818.38 - Step 5: Solve for x
x = 638,670,478,191,818.38/29,006,356.68 - Step 6: Final answer
x = 22,018,293.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.