Finding the Fourth Proportional to 11,400,021.36, 15,732,034.92 and 6,243,707.16
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Solution
The fourth proportional to 11,400,021.36, 15,732,034.92 and 6,243,707.16 is: 8,616,318.86
Step by Step Solution
- Step 1: Write the proportion equation
11,400,021.36 : 15,732,034.92 = 6,243,707.16 : x - Step 2: Convert to fraction form
11,400,021.36/15,732,034.92 = 6,243,707.16/x - Step 3: Cross multiply
11,400,021.36x = 15,732,034.92 × 6,243,707.16 - Step 4: Simplify right side
11,400,021.36x = 98,226,219,071,374.03 - Step 5: Solve for x
x = 98,226,219,071,374.03/11,400,021.36 - Step 6: Final answer
x = 8,616,318.86
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1.5x scale
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.