Finding the Fourth Proportional to 9,401,637.74, 12,970,244.79 and 6,495,984.09
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Solution
The fourth proportional to 9,401,637.74, 12,970,244.79 and 6,495,984.09 is: 8,961,683.72
Step by Step Solution
- Step 1: Write the proportion equation
9,401,637.74 : 12,970,244.79 = 6,495,984.09 : x - Step 2: Convert to fraction form
9,401,637.74/12,970,244.79 = 6,495,984.09/x - Step 3: Cross multiply
9,401,637.74x = 12,970,244.79 × 6,495,984.09 - Step 4: Simplify right side
9,401,637.74x = 84,254,503,799,245.39 - Step 5: Solve for x
x = 84,254,503,799,245.39/9,401,637.74 - Step 6: Final answer
x = 8,961,683.72
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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.