Finding the Fourth Proportional to 10,555,854.74, 14,565,851.97 and 5,909,902.10
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Solution
The fourth proportional to 10,555,854.74, 14,565,851.97 and 5,909,902.10 is: 8,154,977.62
Step by Step Solution
- Step 1: Write the proportion equation
10,555,854.74 : 14,565,851.97 = 5,909,902.10 : x - Step 2: Convert to fraction form
10,555,854.74/14,565,851.97 = 5,909,902.10/x - Step 3: Cross multiply
10,555,854.74x = 14,565,851.97 × 5,909,902.10 - Step 4: Simplify right side
10,555,854.74x = 86,082,759,145,792.14 - Step 5: Solve for x
x = 86,082,759,145,792.14/10,555,854.74 - Step 6: Final answer
x = 8,154,977.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.