Finding the Fourth Proportional to 15,314,378.76, 22,975,233.78 and 4,384,720.68
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Solution
The fourth proportional to 15,314,378.76, 22,975,233.78 and 4,384,720.68 is: 6,578,130.54
Step by Step Solution
- Step 1: Write the proportion equation
15,314,378.76 : 22,975,233.78 = 4,384,720.68 : x - Step 2: Convert to fraction form
15,314,378.76/22,975,233.78 = 4,384,720.68/x - Step 3: Cross multiply
15,314,378.76x = 22,975,233.78 × 4,384,720.68 - Step 4: Simplify right side
15,314,378.76x = 100,739,982,683,000.56 - Step 5: Solve for x
x = 100,739,982,683,000.56/15,314,378.76 - Step 6: Final answer
x = 6,578,130.54
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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.