Finding the Fourth Proportional to 19,418,547.98, 29,128,346.87 and 5,041,297.46
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Solution
The fourth proportional to 19,418,547.98, 29,128,346.87 and 5,041,297.46 is: 7,562,082.46
Step by Step Solution
- Step 1: Write the proportion equation
19,418,547.98 : 29,128,346.87 = 5,041,297.46 : x - Step 2: Convert to fraction form
19,418,547.98/29,128,346.87 = 5,041,297.46/x - Step 3: Cross multiply
19,418,547.98x = 29,128,346.87 × 5,041,297.46 - Step 4: Simplify right side
19,418,547.98x = 146,844,661,089,729.97 - Step 5: Solve for x
x = 146,844,661,089,729.97/19,418,547.98 - Step 6: Final answer
x = 7,562,082.46
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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.