Finding the Fourth Proportional to 17,689,762.62, 26,534,792.43 and 4,911,263.78
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Solution
The fourth proportional to 17,689,762.62, 26,534,792.43 and 4,911,263.78 is: 7,366,936.89
Step by Step Solution
- Step 1: Write the proportion equation
17,689,762.62 : 26,534,792.43 = 4,911,263.78 : x - Step 2: Convert to fraction form
17,689,762.62/26,534,792.43 = 4,911,263.78/x - Step 3: Cross multiply
17,689,762.62x = 26,534,792.43 × 4,911,263.78 - Step 4: Simplify right side
17,689,762.62x = 130,319,364,838,603.23 - Step 5: Solve for x
x = 130,319,364,838,603.23/17,689,762.62 - Step 6: Final answer
x = 7,366,936.89
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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.