Finding the Fourth Proportional to 13,916,448.84, 19,205,751.28 and 7,722,668
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Solution
The fourth proportional to 13,916,448.84, 19,205,751.28 and 7,722,668 is: 10,657,865.56
Step by Step Solution
- Step 1: Write the proportion equation
13,916,448.84 : 19,205,751.28 = 7,722,668 : x - Step 2: Convert to fraction form
13,916,448.84/19,205,751.28 = 7,722,668/x - Step 3: Cross multiply
13,916,448.84x = 19,205,751.28 × 7,722,668 - Step 4: Simplify right side
13,916,448.84x = 148,319,640,826,015.06 - Step 5: Solve for x
x = 148,319,640,826,015.06/13,916,448.84 - Step 6: Final answer
x = 10,657,865.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.