Finding the Fourth Proportional to 19,578,924.84, 29,305,500.12 and 10,458,216.48
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Solution
The fourth proportional to 19,578,924.84, 29,305,500.12 and 10,458,216.48 is: 15,653,733.12
Step by Step Solution
- Step 1: Write the proportion equation
19,578,924.84 : 29,305,500.12 = 10,458,216.48 : x - Step 2: Convert to fraction form
19,578,924.84/29,305,500.12 = 10,458,216.48/x - Step 3: Cross multiply
19,578,924.84x = 29,305,500.12 × 10,458,216.48 - Step 4: Simplify right side
19,578,924.84x = 306,483,264,309,626 - Step 5: Solve for x
x = 306,483,264,309,626/19,578,924.84 - Step 6: Final answer
x = 15,653,733.12
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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.