Finding the Fourth Proportional to 11,370,034.83, 15,692,248.29 and 7,238,746.26
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Solution
The fourth proportional to 11,370,034.83, 15,692,248.29 and 7,238,746.26 is: 9,990,488.63
Step by Step Solution
- Step 1: Write the proportion equation
11,370,034.83 : 15,692,248.29 = 7,238,746.26 : x - Step 2: Convert to fraction form
11,370,034.83/15,692,248.29 = 7,238,746.26/x - Step 3: Cross multiply
11,370,034.83x = 15,692,248.29 × 7,238,746.26 - Step 4: Simplify right side
11,370,034.83x = 113,592,203,679,074.81 - Step 5: Solve for x
x = 113,592,203,679,074.81/11,370,034.83 - Step 6: Final answer
x = 9,990,488.63
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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.