Finding the Fourth Proportional to 35,839,564.80, 53,759,541.60 and 8,913,220.80
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Solution
The fourth proportional to 35,839,564.80, 53,759,541.60 and 8,913,220.80 is: 13,369,879.55
Step by Step Solution
- Step 1: Write the proportion equation
35,839,564.80 : 53,759,541.60 = 8,913,220.80 : x - Step 2: Convert to fraction form
35,839,564.80/53,759,541.60 = 8,913,220.80/x - Step 3: Cross multiply
35,839,564.80x = 53,759,541.60 × 8,913,220.80 - Step 4: Simplify right side
35,839,564.80x = 479,170,664,387,585.31 - Step 5: Solve for x
x = 479,170,664,387,585.31/35,839,564.80 - Step 6: Final answer
x = 13,369,879.55
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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.