Finding the Fourth Proportional to 17,619,539.42, 24,312,838.56 and 9,779,013.20
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Solution
The fourth proportional to 17,619,539.42, 24,312,838.56 and 9,779,013.20 is: 13,493,858.35
Step by Step Solution
- Step 1: Write the proportion equation
17,619,539.42 : 24,312,838.56 = 9,779,013.20 : x - Step 2: Convert to fraction form
17,619,539.42/24,312,838.56 = 9,779,013.20/x - Step 3: Cross multiply
17,619,539.42x = 24,312,838.56 × 9,779,013.20 - Step 4: Simplify right side
17,619,539.42x = 237,755,569,207,708.97 - Step 5: Solve for x
x = 237,755,569,207,708.97/17,619,539.42 - Step 6: Final answer
x = 13,493,858.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.