Finding the Fourth Proportional to 9,448,058.12, 13,038,735.30 and 5,318,355.74
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Solution
The fourth proportional to 9,448,058.12, 13,038,735.30 and 5,318,355.74 is: 7,339,564.58
Step by Step Solution
- Step 1: Write the proportion equation
9,448,058.12 : 13,038,735.30 = 5,318,355.74 : x - Step 2: Convert to fraction form
9,448,058.12/13,038,735.30 = 5,318,355.74/x - Step 3: Cross multiply
9,448,058.12x = 13,038,735.30 × 5,318,355.74 - Step 4: Simplify right side
9,448,058.12x = 69,344,632,725,095.62 - Step 5: Solve for x
x = 69,344,632,725,095.62/9,448,058.12 - Step 6: Final answer
x = 7,339,564.58
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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.