Finding the Fourth Proportional to 11,211,141.60, 15,471,374.90 and 6,054,502.70
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Solution
The fourth proportional to 11,211,141.60, 15,471,374.90 and 6,054,502.70 is: 8,355,213.45
Step by Step Solution
- Step 1: Write the proportion equation
11,211,141.60 : 15,471,374.90 = 6,054,502.70 : x - Step 2: Convert to fraction form
11,211,141.60/15,471,374.90 = 6,054,502.70/x - Step 3: Cross multiply
11,211,141.60x = 15,471,374.90 × 6,054,502.70 - Step 4: Simplify right side
11,211,141.60x = 93,671,481,104,762.23 - Step 5: Solve for x
x = 93,671,481,104,762.23/11,211,141.60 - Step 6: Final answer
x = 8,355,213.45
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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.