Finding the Fourth Proportional to 15,552,291.09, 21,462,117.26 and 8,582,918.05
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Solution
The fourth proportional to 15,552,291.09, 21,462,117.26 and 8,582,918.05 is: 11,844,402.38
Step by Step Solution
- Step 1: Write the proportion equation
15,552,291.09 : 21,462,117.26 = 8,582,918.05 : x - Step 2: Convert to fraction form
15,552,291.09/21,462,117.26 = 8,582,918.05/x - Step 3: Cross multiply
15,552,291.09x = 21,462,117.26 × 8,582,918.05 - Step 4: Simplify right side
15,552,291.09x = 184,207,593,654,262.50 - Step 5: Solve for x
x = 184,207,593,654,262.50/15,552,291.09 - Step 6: Final answer
x = 11,844,402.38
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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.