Finding the Fourth Proportional to 52,108,727.64, 71,918,668.69 and 28,911,327.99
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Solution
The fourth proportional to 52,108,727.64, 71,918,668.69 and 28,911,327.99 is: 39,902,417.75
Step by Step Solution
- Step 1: Write the proportion equation
52,108,727.64 : 71,918,668.69 = 28,911,327.99 : x - Step 2: Convert to fraction form
52,108,727.64/71,918,668.69 = 28,911,327.99/x - Step 3: Cross multiply
52,108,727.64x = 71,918,668.69 × 28,911,327.99 - Step 4: Simplify right side
52,108,727.64x = 2,079,264,218,758,760.25 - Step 5: Solve for x
x = 2,079,264,218,758,760.25/52,108,727.64 - Step 6: Final answer
x = 39,902,417.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.