Finding the Fourth Proportional to 50,312,347.68, 69,429,431.59 and 28,286,779.08
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Solution
The fourth proportional to 50,312,347.68, 69,429,431.59 and 28,286,779.08 is: 39,034,850.96
Step by Step Solution
- Step 1: Write the proportion equation
50,312,347.68 : 69,429,431.59 = 28,286,779.08 : x - Step 2: Convert to fraction form
50,312,347.68/69,429,431.59 = 28,286,779.08/x - Step 3: Cross multiply
50,312,347.68x = 69,429,431.59 × 28,286,779.08 - Step 4: Simplify right side
50,312,347.68x = 1,963,934,993,036,303 - Step 5: Solve for x
x = 1,963,934,993,036,303/50,312,347.68 - Step 6: Final answer
x = 39,034,850.96
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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.