Finding the Fourth Proportional to 13,037,862.20, 19,563,791.70 and 5,465,593.40
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Solution
The fourth proportional to 13,037,862.20, 19,563,791.70 and 5,465,593.40 is: 8,201,323.89
Step by Step Solution
- Step 1: Write the proportion equation
13,037,862.20 : 19,563,791.70 = 5,465,593.40 : x - Step 2: Convert to fraction form
13,037,862.20/19,563,791.70 = 5,465,593.40/x - Step 3: Cross multiply
13,037,862.20x = 19,563,791.70 × 5,465,593.40 - Step 4: Simplify right side
13,037,862.20x = 106,927,730,794,494.78 - Step 5: Solve for x
x = 106,927,730,794,494.78/13,037,862.20 - Step 6: Final answer
x = 8,201,323.89
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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.