Finding the Fourth Proportional to 8,910,332.14, 12,301,811.91 and 6,124,252.70
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Solution
The fourth proportional to 8,910,332.14, 12,301,811.91 and 6,124,252.70 is: 8,455,285.80
Step by Step Solution
- Step 1: Write the proportion equation
8,910,332.14 : 12,301,811.91 = 6,124,252.70 : x - Step 2: Convert to fraction form
8,910,332.14/12,301,811.91 = 6,124,252.70/x - Step 3: Cross multiply
8,910,332.14x = 12,301,811.91 × 6,124,252.70 - Step 4: Simplify right side
8,910,332.14x = 75,339,404,804,709.66 - Step 5: Solve for x
x = 75,339,404,804,709.66/8,910,332.14 - Step 6: Final answer
x = 8,455,285.80
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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.