Finding the Fourth Proportional to 7,381,624.70, 11,072,437.05 and 6,673,036.70
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Solution
The fourth proportional to 7,381,624.70, 11,072,437.05 and 6,673,036.70 is: 10,009,555.05
Step by Step Solution
- Step 1: Write the proportion equation
7,381,624.70 : 11,072,437.05 = 6,673,036.70 : x - Step 2: Convert to fraction form
7,381,624.70/11,072,437.05 = 6,673,036.70/x - Step 3: Cross multiply
7,381,624.70x = 11,072,437.05 × 6,673,036.70 - Step 4: Simplify right side
7,381,624.70x = 73,886,778,793,089.73 - Step 5: Solve for x
x = 73,886,778,793,089.73/7,381,624.70 - Step 6: Final answer
x = 10,009,555.05
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1.5x scale
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.