Finding the Fourth Proportional to 26,538,386.84, 39,793,309.64 and 15,612,353.54
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Solution
The fourth proportional to 26,538,386.84, 39,793,309.64 and 15,612,353.54 is: 23,410,135.00
Step by Step Solution
- Step 1: Write the proportion equation
26,538,386.84 : 39,793,309.64 = 15,612,353.54 : x - Step 2: Convert to fraction form
26,538,386.84/39,793,309.64 = 15,612,353.54/x - Step 3: Cross multiply
26,538,386.84x = 39,793,309.64 × 15,612,353.54 - Step 4: Simplify right side
26,538,386.84x = 621,267,218,626,370.12 - Step 5: Solve for x
x = 621,267,218,626,370.12/26,538,386.84 - Step 6: Final answer
x = 23,410,135.00
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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.