Finding the Fourth Proportional to 7,354,447.13, 11,031,726.11 and 2,562,128.70
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Solution
The fourth proportional to 7,354,447.13, 11,031,726.11 and 2,562,128.70 is: 3,843,212.36
Step by Step Solution
- Step 1: Write the proportion equation
7,354,447.13 : 11,031,726.11 = 2,562,128.70 : x - Step 2: Convert to fraction form
7,354,447.13/11,031,726.11 = 2,562,128.70/x - Step 3: Cross multiply
7,354,447.13x = 11,031,726.11 × 2,562,128.70 - Step 4: Simplify right side
7,354,447.13x = 28,264,702,064,159.71 - Step 5: Solve for x
x = 28,264,702,064,159.71/7,354,447.13 - Step 6: Final answer
x = 3,843,212.36
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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.