Finding the Fourth Proportional to 19,561,735.86, 29,345,987.50 and 6,607,980.84
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Solution
The fourth proportional to 19,561,735.86, 29,345,987.50 and 6,607,980.84 is: 9,913,114.28
Step by Step Solution
- Step 1: Write the proportion equation
19,561,735.86 : 29,345,987.50 = 6,607,980.84 : x - Step 2: Convert to fraction form
19,561,735.86/29,345,987.50 = 6,607,980.84/x - Step 3: Cross multiply
19,561,735.86x = 29,345,987.50 × 6,607,980.84 - Step 4: Simplify right side
19,561,735.86x = 193,917,723,130,879.50 - Step 5: Solve for x
x = 193,917,723,130,879.50/19,561,735.86 - Step 6: Final answer
x = 9,913,114.28
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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.