Finding the Fourth Proportional to 37,893,831.20, 56,828,305.20 and 13,956,192.80
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Solution
The fourth proportional to 37,893,831.20, 56,828,305.20 and 13,956,192.80 is: 20,929,706.99
Step by Step Solution
- Step 1: Write the proportion equation
37,893,831.20 : 56,828,305.20 = 13,956,192.80 : x - Step 2: Convert to fraction form
37,893,831.20/56,828,305.20 = 13,956,192.80/x - Step 3: Cross multiply
37,893,831.20x = 56,828,305.20 × 13,956,192.80 - Step 4: Simplify right side
37,893,831.20x = 793,106,783,868,442.62 - Step 5: Solve for x
x = 793,106,783,868,442.62/37,893,831.20 - Step 6: Final answer
x = 20,929,706.99
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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.