Finding the Fourth Proportional to 39,432,128.13, 59,154,918.12 and 17,580,436.35
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Solution
The fourth proportional to 39,432,128.13, 59,154,918.12 and 17,580,436.35 is: 26,373,653.21
Step by Step Solution
- Step 1: Write the proportion equation
39,432,128.13 : 59,154,918.12 = 17,580,436.35 : x - Step 2: Convert to fraction form
39,432,128.13/59,154,918.12 = 17,580,436.35/x - Step 3: Cross multiply
39,432,128.13x = 59,154,918.12 × 17,580,436.35 - Step 4: Simplify right side
39,432,128.13x = 1,039,969,272,798,121.75 - Step 5: Solve for x
x = 1,039,969,272,798,121.75/39,432,128.13 - Step 6: Final answer
x = 26,373,653.21
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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.