Finding the Fourth Proportional to 7,417,301.74, 11,129,746.60 and 3,531,150.36
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Solution
The fourth proportional to 7,417,301.74, 11,129,746.60 and 3,531,150.36 is: 5,298,531.74
Step by Step Solution
- Step 1: Write the proportion equation
7,417,301.74 : 11,129,746.60 = 3,531,150.36 : x - Step 2: Convert to fraction form
7,417,301.74/11,129,746.60 = 3,531,150.36/x - Step 3: Cross multiply
7,417,301.74x = 11,129,746.60 × 3,531,150.36 - Step 4: Simplify right side
7,417,301.74x = 39,300,808,713,298.77 - Step 5: Solve for x
x = 39,300,808,713,298.77/7,417,301.74 - Step 6: Final answer
x = 5,298,531.74
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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.