Finding the Fourth Proportional to 13,013,775.59, 17,948,538.65 and 11,440,543.62
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Solution
The fourth proportional to 13,013,775.59, 17,948,538.65 and 11,440,543.62 is: 15,778,744.44
Step by Step Solution
- Step 1: Write the proportion equation
13,013,775.59 : 17,948,538.65 = 11,440,543.62 : x - Step 2: Convert to fraction form
13,013,775.59/17,948,538.65 = 11,440,543.62/x - Step 3: Cross multiply
13,013,775.59x = 17,948,538.65 × 11,440,543.62 - Step 4: Simplify right side
13,013,775.59x = 205,341,039,216,071.19 - Step 5: Solve for x
x = 205,341,039,216,071.19/13,013,775.59 - Step 6: Final answer
x = 15,778,744.44
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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.