Finding the Fourth Proportional to 48,220,894.98, 66,536,946.77 and 28,391,370.75
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Solution
The fourth proportional to 48,220,894.98, 66,536,946.77 and 28,391,370.75 is: 39,175,447.18
Step by Step Solution
- Step 1: Write the proportion equation
48,220,894.98 : 66,536,946.77 = 28,391,370.75 : x - Step 2: Convert to fraction form
48,220,894.98/66,536,946.77 = 28,391,370.75/x - Step 3: Cross multiply
48,220,894.98x = 66,536,946.77 × 28,391,370.75 - Step 4: Simplify right side
48,220,894.98x = 1,889,075,124,178,128.25 - Step 5: Solve for x
x = 1,889,075,124,178,128.25/48,220,894.98 - Step 6: Final answer
x = 39,175,447.18
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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.