Finding the Fourth Proportional to 9,486,633.62, 13,091,595.98 and 5,135,719.79
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Solution
The fourth proportional to 9,486,633.62, 13,091,595.98 and 5,135,719.79 is: 7,087,315.82
Step by Step Solution
- Step 1: Write the proportion equation
9,486,633.62 : 13,091,595.98 = 5,135,719.79 : x - Step 2: Convert to fraction form
9,486,633.62/13,091,595.98 = 5,135,719.79/x - Step 3: Cross multiply
9,486,633.62x = 13,091,595.98 × 5,135,719.79 - Step 4: Simplify right side
9,486,633.62x = 67,234,768,466,033.87 - Step 5: Solve for x
x = 67,234,768,466,033.87/9,486,633.62 - Step 6: Final answer
x = 7,087,315.82
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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.