Finding the Fourth Proportional to 9,775,795.20, 14,663,619.90 and 2,952,355.20
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Solution
The fourth proportional to 9,775,795.20, 14,663,619.90 and 2,952,355.20 is: 4,428,510.78
Step by Step Solution
- Step 1: Write the proportion equation
9,775,795.20 : 14,663,619.90 = 2,952,355.20 : x - Step 2: Convert to fraction form
9,775,795.20/14,663,619.90 = 2,952,355.20/x - Step 3: Cross multiply
9,775,795.20x = 14,663,619.90 × 2,952,355.20 - Step 4: Simplify right side
9,775,795.20x = 43,292,214,462,588.48 - Step 5: Solve for x
x = 43,292,214,462,588.48/9,775,795.20 - Step 6: Final answer
x = 4,428,510.78
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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.