Finding the Fourth Proportional to 51,458,434.12, 77,198,848.62 and 15,555,709
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Solution
The fourth proportional to 51,458,434.12, 77,198,848.62 and 15,555,709 is: 23,336,948.45
Step by Step Solution
- Step 1: Write the proportion equation
51,458,434.12 : 77,198,848.62 = 15,555,709 : x - Step 2: Convert to fraction form
51,458,434.12/77,198,848.62 = 15,555,709/x - Step 3: Cross multiply
51,458,434.12x = 77,198,848.62 × 15,555,709 - Step 4: Simplify right side
51,458,434.12x = 1,200,882,824,267,771.75 - Step 5: Solve for x
x = 1,200,882,824,267,771.75/51,458,434.12 - Step 6: Final answer
x = 23,336,948.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.