Finding the Fourth Proportional to 13,772,737.74, 19,006,523.87 and 7,577,865.84
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Solution
The fourth proportional to 13,772,737.74, 19,006,523.87 and 7,577,865.84 is: 10,457,535.07
Step by Step Solution
- Step 1: Write the proportion equation
13,772,737.74 : 19,006,523.87 = 7,577,865.84 : x - Step 2: Convert to fraction form
13,772,737.74/19,006,523.87 = 7,577,865.84/x - Step 3: Cross multiply
13,772,737.74x = 19,006,523.87 × 7,577,865.84 - Step 4: Simplify right side
13,772,737.74x = 144,028,887,933,728.25 - Step 5: Solve for x
x = 144,028,887,933,728.25/13,772,737.74 - Step 6: Final answer
x = 10,457,535.07
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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.