Finding the Fourth Proportional to 16,237,673.79, 22,407,987.97 and 9,711,302.20
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Solution
The fourth proportional to 16,237,673.79, 22,407,987.97 and 9,711,302.20 is: 13,401,595.93
Step by Step Solution
- Step 1: Write the proportion equation
16,237,673.79 : 22,407,987.97 = 9,711,302.20 : x - Step 2: Convert to fraction form
16,237,673.79/22,407,987.97 = 9,711,302.20/x - Step 3: Cross multiply
16,237,673.79x = 22,407,987.97 × 9,711,302.20 - Step 4: Simplify right side
16,237,673.79x = 217,610,742,910,783.66 - Step 5: Solve for x
x = 217,610,742,910,783.66/16,237,673.79 - Step 6: Final answer
x = 13,401,595.93
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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.