Finding the Fourth Proportional to 47,564,745.33, 65,638,232.16 and 27,986,901.76
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Solution
The fourth proportional to 47,564,745.33, 65,638,232.16 and 27,986,901.76 is: 38,621,267.54
Step by Step Solution
- Step 1: Write the proportion equation
47,564,745.33 : 65,638,232.16 = 27,986,901.76 : x - Step 2: Convert to fraction form
47,564,745.33/65,638,232.16 = 27,986,901.76/x - Step 3: Cross multiply
47,564,745.33x = 65,638,232.16 × 27,986,901.76 - Step 4: Simplify right side
47,564,745.33x = 1,837,010,754,809,196 - Step 5: Solve for x
x = 1,837,010,754,809,196/47,564,745.33 - Step 6: Final answer
x = 38,621,267.54
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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.