Finding the Fourth Proportional to 13,292,403.84, 19,938,763.98 and 3,707,199.18
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Solution
The fourth proportional to 13,292,403.84, 19,938,763.98 and 3,707,199.18 is: 5,560,842.90
Step by Step Solution
- Step 1: Write the proportion equation
13,292,403.84 : 19,938,763.98 = 3,707,199.18 : x - Step 2: Convert to fraction form
13,292,403.84/19,938,763.98 = 3,707,199.18/x - Step 3: Cross multiply
13,292,403.84x = 19,938,763.98 × 3,707,199.18 - Step 4: Simplify right side
13,292,403.84x = 73,916,969,476,869.55 - Step 5: Solve for x
x = 73,916,969,476,869.55/13,292,403.84 - Step 6: Final answer
x = 5,560,842.90
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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.