Finding the Fourth Proportional to 18,031,246.61, 26,982,218.99 and 15,610,725.63
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Solution
The fourth proportional to 18,031,246.61, 26,982,218.99 and 15,610,725.63 is: 23,360,116.29
Step by Step Solution
- Step 1: Write the proportion equation
18,031,246.61 : 26,982,218.99 = 15,610,725.63 : x - Step 2: Convert to fraction form
18,031,246.61/26,982,218.99 = 15,610,725.63/x - Step 3: Cross multiply
18,031,246.61x = 26,982,218.99 × 15,610,725.63 - Step 4: Simplify right side
18,031,246.61x = 421,212,017,580,492.56 - Step 5: Solve for x
x = 421,212,017,580,492.56/18,031,246.61 - Step 6: Final answer
x = 23,360,116.29
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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.