Finding the Fourth Proportional to 9,503,405.78, 13,125,525.01 and 6,442,305.62
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Solution
The fourth proportional to 9,503,405.78, 13,125,525.01 and 6,442,305.62 is: 8,897,719.99
Step by Step Solution
- Step 1: Write the proportion equation
9,503,405.78 : 13,125,525.01 = 6,442,305.62 : x - Step 2: Convert to fraction form
9,503,405.78/13,125,525.01 = 6,442,305.62/x - Step 3: Cross multiply
9,503,405.78x = 13,125,525.01 × 6,442,305.62 - Step 4: Simplify right side
9,503,405.78x = 84,558,643,537,373.56 - Step 5: Solve for x
x = 84,558,643,537,373.56/9,503,405.78 - Step 6: Final answer
x = 8,897,719.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.