Finding the Fourth Proportional to 11,032,434.80, 16,548,652.20 and 6,249,465.80
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Solution
The fourth proportional to 11,032,434.80, 16,548,652.20 and 6,249,465.80 is: 9,374,198.70
Step by Step Solution
- Step 1: Write the proportion equation
11,032,434.80 : 16,548,652.20 = 6,249,465.80 : x - Step 2: Convert to fraction form
11,032,434.80/16,548,652.20 = 6,249,465.80/x - Step 3: Cross multiply
11,032,434.80x = 16,548,652.20 × 6,249,465.80 - Step 4: Simplify right side
11,032,434.80x = 103,420,235,959,994.75 - Step 5: Solve for x
x = 103,420,235,959,994.75/11,032,434.80 - Step 6: Final answer
x = 9,374,198.70
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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.