Finding the Fourth Proportional to 10,209,980.96, 14,090,456.76 and 5,626,303.28
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Solution
The fourth proportional to 10,209,980.96, 14,090,456.76 and 5,626,303.28 is: 7,764,674.92
Step by Step Solution
- Step 1: Write the proportion equation
10,209,980.96 : 14,090,456.76 = 5,626,303.28 : x - Step 2: Convert to fraction form
10,209,980.96/14,090,456.76 = 5,626,303.28/x - Step 3: Cross multiply
10,209,980.96x = 14,090,456.76 × 5,626,303.28 - Step 4: Simplify right side
10,209,980.96x = 79,277,183,085,486.17 - Step 5: Solve for x
x = 79,277,183,085,486.17/10,209,980.96 - Step 6: Final answer
x = 7,764,674.92
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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.