Finding the Fourth Proportional to 7,487,965.48, 11,231,980.84 and 2,370,420.40
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Solution
The fourth proportional to 7,487,965.48, 11,231,980.84 and 2,370,420.40 is: 3,555,640.93
Step by Step Solution
- Step 1: Write the proportion equation
7,487,965.48 : 11,231,980.84 = 2,370,420.40 : x - Step 2: Convert to fraction form
7,487,965.48/11,231,980.84 = 2,370,420.40/x - Step 3: Cross multiply
7,487,965.48x = 11,231,980.84 × 2,370,420.40 - Step 4: Simplify right side
7,487,965.48x = 26,624,516,515,545.13 - Step 5: Solve for x
x = 26,624,516,515,545.13/7,487,965.48 - Step 6: Final answer
x = 3,555,640.93
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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.