Finding the Fourth Proportional to 43,735,670.74, 65,578,125.39 and 20,706,410.79
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Solution
The fourth proportional to 43,735,670.74, 65,578,125.39 and 20,706,410.79 is: 31,047,599.82
Step by Step Solution
- Step 1: Write the proportion equation
43,735,670.74 : 65,578,125.39 = 20,706,410.79 : x - Step 2: Convert to fraction form
43,735,670.74/65,578,125.39 = 20,706,410.79/x - Step 3: Cross multiply
43,735,670.74x = 65,578,125.39 × 20,706,410.79 - Step 4: Simplify right side
43,735,670.74x = 1,357,887,603,163,469 - Step 5: Solve for x
x = 1,357,887,603,163,469/43,735,670.74 - Step 6: Final answer
x = 31,047,599.82
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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.