Finding the Fourth Proportional to 22,684,786.98, 31,299,625.28 and 12,894,460.54
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Solution
The fourth proportional to 22,684,786.98, 31,299,625.28 and 12,894,460.54 is: 17,791,297.02
Step by Step Solution
- Step 1: Write the proportion equation
22,684,786.98 : 31,299,625.28 = 12,894,460.54 : x - Step 2: Convert to fraction form
22,684,786.98/31,299,625.28 = 12,894,460.54/x - Step 3: Cross multiply
22,684,786.98x = 31,299,625.28 × 12,894,460.54 - Step 4: Simplify right side
22,684,786.98x = 403,591,783,089,746.44 - Step 5: Solve for x
x = 403,591,783,089,746.44/22,684,786.98 - Step 6: Final answer
x = 17,791,297.02
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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.