Finding the Fourth Proportional to 51,528,102.16, 77,292,102.48 and 13,189,555.12
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Solution
The fourth proportional to 51,528,102.16, 77,292,102.48 and 13,189,555.12 is: 19,784,319.69
Step by Step Solution
- Step 1: Write the proportion equation
51,528,102.16 : 77,292,102.48 = 13,189,555.12 : x - Step 2: Convert to fraction form
51,528,102.16/77,292,102.48 = 13,189,555.12/x - Step 3: Cross multiply
51,528,102.16x = 77,292,102.48 × 13,189,555.12 - Step 4: Simplify right side
51,528,102.16x = 1,019,448,446,000,648.75 - Step 5: Solve for x
x = 1,019,448,446,000,648.75/51,528,102.16 - Step 6: Final answer
x = 19,784,319.69
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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.