Finding the Fourth Proportional to 47,122,558.68, 70,675,964.70 and 13,047,349.08
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Solution
The fourth proportional to 47,122,558.68, 70,675,964.70 and 13,047,349.08 is: 19,568,843.65
Step by Step Solution
- Step 1: Write the proportion equation
47,122,558.68 : 70,675,964.70 = 13,047,349.08 : x - Step 2: Convert to fraction form
47,122,558.68/70,675,964.70 = 13,047,349.08/x - Step 3: Cross multiply
47,122,558.68x = 70,675,964.70 × 13,047,349.08 - Step 4: Simplify right side
47,122,558.68x = 922,133,983,006,657.50 - Step 5: Solve for x
x = 922,133,983,006,657.50/47,122,558.68 - Step 6: Final answer
x = 19,568,843.65
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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.