Finding the Fourth Proportional to 9,591,357.02, 13,235,916.12 and 5,240,349.68
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Solution
The fourth proportional to 9,591,357.02, 13,235,916.12 and 5,240,349.68 is: 7,231,597.02
Step by Step Solution
- Step 1: Write the proportion equation
9,591,357.02 : 13,235,916.12 = 5,240,349.68 : x - Step 2: Convert to fraction form
9,591,357.02/13,235,916.12 = 5,240,349.68/x - Step 3: Cross multiply
9,591,357.02x = 13,235,916.12 × 5,240,349.68 - Step 4: Simplify right side
9,591,357.02x = 69,360,828,803,948.84 - Step 5: Solve for x
x = 69,360,828,803,948.84/9,591,357.02 - Step 6: Final answer
x = 7,231,597.02
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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.