Finding the Fourth Proportional to 39,321,715.68, 58,973,724.24 and 14,106,739.68
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Solution
The fourth proportional to 39,321,715.68, 58,973,724.24 and 14,106,739.68 is: 21,156,934.82
Step by Step Solution
- Step 1: Write the proportion equation
39,321,715.68 : 58,973,724.24 = 14,106,739.68 : x - Step 2: Convert to fraction form
39,321,715.68/58,973,724.24 = 14,106,739.68/x - Step 3: Cross multiply
39,321,715.68x = 58,973,724.24 × 14,106,739.68 - Step 4: Simplify right side
39,321,715.68x = 831,926,975,813,785.88 - Step 5: Solve for x
x = 831,926,975,813,785.88/39,321,715.68 - Step 6: Final answer
x = 21,156,934.82
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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.