Finding the Fourth Proportional to 51,818,360.68, 77,727,639.30 and 13,479,813.28
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Solution
The fourth proportional to 51,818,360.68, 77,727,639.30 and 13,479,813.28 is: 20,219,745.49
Step by Step Solution
- Step 1: Write the proportion equation
51,818,360.68 : 77,727,639.30 = 13,479,813.28 : x - Step 2: Convert to fraction form
51,818,360.68/77,727,639.30 = 13,479,813.28/x - Step 3: Cross multiply
51,818,360.68x = 77,727,639.30 × 13,479,813.28 - Step 4: Simplify right side
51,818,360.68x = 1,047,754,064,459,189.75 - Step 5: Solve for x
x = 1,047,754,064,459,189.75/51,818,360.68 - Step 6: Final answer
x = 20,219,745.49
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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.