Finding the Fourth Proportional to 26,204,210.36, 36,161,953.43 and 15,197,485.87
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Solution
The fourth proportional to 26,204,210.36, 36,161,953.43 and 15,197,485.87 is: 20,972,613.51
Step by Step Solution
- Step 1: Write the proportion equation
26,204,210.36 : 36,161,953.43 = 15,197,485.87 : x - Step 2: Convert to fraction form
26,204,210.36/36,161,953.43 = 15,197,485.87/x - Step 3: Cross multiply
26,204,210.36x = 36,161,953.43 × 15,197,485.87 - Step 4: Simplify right side
26,204,210.36x = 549,570,776,284,023 - Step 5: Solve for x
x = 549,570,776,284,023/26,204,210.36 - Step 6: Final answer
x = 20,972,613.51
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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.