Finding the Fourth Proportional to 19,716,941.07, 29,548,975.50 and 15,345,360.54
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Solution
The fourth proportional to 19,716,941.07, 29,548,975.50 and 15,345,360.54 is: 22,997,466.04
Step by Step Solution
- Step 1: Write the proportion equation
19,716,941.07 : 29,548,975.50 = 15,345,360.54 : x - Step 2: Convert to fraction form
19,716,941.07/29,548,975.50 = 15,345,360.54/x - Step 3: Cross multiply
19,716,941.07x = 29,548,975.50 × 15,345,360.54 - Step 4: Simplify right side
19,716,941.07x = 453,439,682,635,126.75 - Step 5: Solve for x
x = 453,439,682,635,126.75/19,716,941.07 - Step 6: Final answer
x = 22,997,466.04
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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.