Finding the Fourth Proportional to 50,312,346.68, 69,429,430.22 and 28,286,778.08
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Solution
The fourth proportional to 50,312,346.68, 69,429,430.22 and 28,286,778.08 is: 39,034,849.58
Step by Step Solution
- Step 1: Write the proportion equation
50,312,346.68 : 69,429,430.22 = 28,286,778.08 : x - Step 2: Convert to fraction form
50,312,346.68/69,429,430.22 = 28,286,778.08/x - Step 3: Cross multiply
50,312,346.68x = 69,429,430.22 × 28,286,778.08 - Step 4: Simplify right side
50,312,346.68x = 1,963,934,884,365,404.50 - Step 5: Solve for x
x = 1,963,934,884,365,404.50/50,312,346.68 - Step 6: Final answer
x = 39,034,849.58
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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.