Finding the Fourth Proportional to 7,480,785.98, 11,196,454.48 and 6,808,554.63
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Solution
The fourth proportional to 7,480,785.98, 11,196,454.48 and 6,808,554.63 is: 10,190,329.23
Step by Step Solution
- Step 1: Write the proportion equation
7,480,785.98 : 11,196,454.48 = 6,808,554.63 : x - Step 2: Convert to fraction form
7,480,785.98/11,196,454.48 = 6,808,554.63/x - Step 3: Cross multiply
7,480,785.98x = 11,196,454.48 × 6,808,554.63 - Step 4: Simplify right side
7,480,785.98x = 76,231,671,972,366.84 - Step 5: Solve for x
x = 76,231,671,972,366.84/7,480,785.98 - Step 6: Final answer
x = 10,190,329.23
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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.