Finding the Fourth Proportional to 17,420,315.58, 26,128,783.62 and 5,289,883.92
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Solution
The fourth proportional to 17,420,315.58, 26,128,783.62 and 5,289,883.92 is: 7,934,312.77
Step by Step Solution
- Step 1: Write the proportion equation
17,420,315.58 : 26,128,783.62 = 5,289,883.92 : x - Step 2: Convert to fraction form
17,420,315.58/26,128,783.62 = 5,289,883.92/x - Step 3: Cross multiply
17,420,315.58x = 26,128,783.62 × 5,289,883.92 - Step 4: Simplify right side
17,420,315.58x = 138,218,232,320,597.39 - Step 5: Solve for x
x = 138,218,232,320,597.39/17,420,315.58 - Step 6: Final answer
x = 7,934,312.77
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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.