Finding the Fourth Proportional to 10,415,460.74, 15,617,495.99 and 8,270,265.92
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Solution
The fourth proportional to 10,415,460.74, 15,617,495.99 and 8,270,265.92 is: 12,400,876.74
Step by Step Solution
- Step 1: Write the proportion equation
10,415,460.74 : 15,617,495.99 = 8,270,265.92 : x - Step 2: Convert to fraction form
10,415,460.74/15,617,495.99 = 8,270,265.92/x - Step 3: Cross multiply
10,415,460.74x = 15,617,495.99 × 8,270,265.92 - Step 4: Simplify right side
10,415,460.74x = 129,160,844,722,394.84 - Step 5: Solve for x
x = 129,160,844,722,394.84/10,415,460.74 - Step 6: Final answer
x = 12,400,876.74
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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.