Finding the Fourth Proportional to 15,190,344.18, 22,787,518.40 and 4,951,616.63
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Solution
The fourth proportional to 15,190,344.18, 22,787,518.40 and 4,951,616.63 is: 7,428,077.57
Step by Step Solution
- Step 1: Write the proportion equation
15,190,344.18 : 22,787,518.40 = 4,951,616.63 : x - Step 2: Convert to fraction form
15,190,344.18/22,787,518.40 = 4,951,616.63/x - Step 3: Cross multiply
15,190,344.18x = 22,787,518.40 × 4,951,616.63 - Step 4: Simplify right side
15,190,344.18x = 112,835,054,927,175.31 - Step 5: Solve for x
x = 112,835,054,927,175.31/15,190,344.18 - Step 6: Final answer
x = 7,428,077.57
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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.