Finding the Fourth Proportional to 17,389,091.70, 26,083,637.55 and 13,353,347.70
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Solution
The fourth proportional to 17,389,091.70, 26,083,637.55 and 13,353,347.70 is: 20,030,021.55
Step by Step Solution
- Step 1: Write the proportion equation
17,389,091.70 : 26,083,637.55 = 13,353,347.70 : x - Step 2: Convert to fraction form
17,389,091.70/26,083,637.55 = 13,353,347.70/x - Step 3: Cross multiply
17,389,091.70x = 26,083,637.55 × 13,353,347.70 - Step 4: Simplify right side
17,389,091.70x = 348,303,881,485,926.12 - Step 5: Solve for x
x = 348,303,881,485,926.12/17,389,091.70 - Step 6: Final answer
x = 20,030,021.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.