Finding the Fourth Proportional to 47,813,571.91, 65,977,641.74 and 26,905,240.20
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Solution
The fourth proportional to 47,813,571.91, 65,977,641.74 and 26,905,240.20 is: 37,126,368.69
Step by Step Solution
- Step 1: Write the proportion equation
47,813,571.91 : 65,977,641.74 = 26,905,240.20 : x - Step 2: Convert to fraction form
47,813,571.91/65,977,641.74 = 26,905,240.20/x - Step 3: Cross multiply
47,813,571.91x = 65,977,641.74 × 26,905,240.20 - Step 4: Simplify right side
47,813,571.91x = 1,775,144,298,911,509 - Step 5: Solve for x
x = 1,775,144,298,911,509/47,813,571.91 - Step 6: Final answer
x = 37,126,368.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.