Finding the Fourth Proportional to 17,462,461.80, 26,193,692.70 and 13,210,933.80
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Solution
The fourth proportional to 17,462,461.80, 26,193,692.70 and 13,210,933.80 is: 19,816,400.70
Step by Step Solution
- Step 1: Write the proportion equation
17,462,461.80 : 26,193,692.70 = 13,210,933.80 : x - Step 2: Convert to fraction form
17,462,461.80/26,193,692.70 = 13,210,933.80/x - Step 3: Cross multiply
17,462,461.80x = 26,193,692.70 × 13,210,933.80 - Step 4: Simplify right side
17,462,461.80x = 346,043,140,237,243.25 - Step 5: Solve for x
x = 346,043,140,237,243.25/17,462,461.80 - Step 6: Final answer
x = 19,816,400.70
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1.5x scale
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.