Finding the Fourth Proportional to 29,006,357.68, 40,029,915.68 and 15,954,831.02
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Solution
The fourth proportional to 29,006,357.68, 40,029,915.68 and 15,954,831.02 is: 22,018,295.01
Step by Step Solution
- Step 1: Write the proportion equation
29,006,357.68 : 40,029,915.68 = 15,954,831.02 : x - Step 2: Convert to fraction form
29,006,357.68/40,029,915.68 = 15,954,831.02/x - Step 3: Cross multiply
29,006,357.68x = 40,029,915.68 × 15,954,831.02 - Step 4: Simplify right side
29,006,357.68x = 638,670,540,419,248.38 - Step 5: Solve for x
x = 638,670,540,419,248.38/29,006,357.68 - Step 6: Final answer
x = 22,018,295.01
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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.