Finding the Fourth Proportional to 19,940,829.48, 29,911,242.60 and 6,303,553.92
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Solution
The fourth proportional to 19,940,829.48, 29,911,242.60 and 6,303,553.92 is: 9,455,330.37
Step by Step Solution
- Step 1: Write the proportion equation
19,940,829.48 : 29,911,242.60 = 6,303,553.92 : x - Step 2: Convert to fraction form
19,940,829.48/29,911,242.60 = 6,303,553.92/x - Step 3: Cross multiply
19,940,829.48x = 29,911,242.60 × 6,303,553.92 - Step 4: Simplify right side
19,940,829.48x = 188,547,130,543,301 - Step 5: Solve for x
x = 188,547,130,543,301/19,940,829.48 - Step 6: Final answer
x = 9,455,330.37
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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.