Finding the Fourth Proportional to 13,230,019.10, 19,845,028.65 and 5,657,750.30
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Solution
The fourth proportional to 13,230,019.10, 19,845,028.65 and 5,657,750.30 is: 8,486,625.45
Step by Step Solution
- Step 1: Write the proportion equation
13,230,019.10 : 19,845,028.65 = 5,657,750.30 : x - Step 2: Convert to fraction form
13,230,019.10/19,845,028.65 = 5,657,750.30/x - Step 3: Cross multiply
13,230,019.10x = 19,845,028.65 × 5,657,750.30 - Step 4: Simplify right side
13,230,019.10x = 112,278,216,798,046.08 - Step 5: Solve for x
x = 112,278,216,798,046.08/13,230,019.10 - Step 6: Final answer
x = 8,486,625.45
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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.