Finding the Fourth Proportional to 48,866,973.84, 67,448,168.09 and 27,971,121.06
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Solution
The fourth proportional to 48,866,973.84, 67,448,168.09 and 27,971,121.06 is: 38,606,869.35
Step by Step Solution
- Step 1: Write the proportion equation
48,866,973.84 : 67,448,168.09 = 27,971,121.06 : x - Step 2: Convert to fraction form
48,866,973.84/67,448,168.09 = 27,971,121.06/x - Step 3: Cross multiply
48,866,973.84x = 67,448,168.09 × 27,971,121.06 - Step 4: Simplify right side
48,866,973.84x = 1,886,600,874,780,763 - Step 5: Solve for x
x = 1,886,600,874,780,763/48,866,973.84 - Step 6: Final answer
x = 38,606,869.35
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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.