Finding the Fourth Proportional to 10,390,453.60, 15,587,386.32 and 3,201,988.72
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Solution
The fourth proportional to 10,390,453.60, 15,587,386.32 and 3,201,988.72 is: 4,803,508.79
Step by Step Solution
- Step 1: Write the proportion equation
10,390,453.60 : 15,587,386.32 = 3,201,988.72 : x - Step 2: Convert to fraction form
10,390,453.60/15,587,386.32 = 3,201,988.72/x - Step 3: Cross multiply
10,390,453.60x = 15,587,386.32 × 3,201,988.72 - Step 4: Simplify right side
10,390,453.60x = 49,910,635,170,922.31 - Step 5: Solve for x
x = 49,910,635,170,922.31/10,390,453.60 - Step 6: Final answer
x = 4,803,508.79
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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.