Finding the Fourth Proportional to 7,566,542.02, 10,442,080.13 and 4,128,971.68
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Solution
The fourth proportional to 7,566,542.02, 10,442,080.13 and 4,128,971.68 is: 5,698,118.51
Step by Step Solution
- Step 1: Write the proportion equation
7,566,542.02 : 10,442,080.13 = 4,128,971.68 : x - Step 2: Convert to fraction form
7,566,542.02/10,442,080.13 = 4,128,971.68/x - Step 3: Cross multiply
7,566,542.02x = 10,442,080.13 × 4,128,971.68 - Step 4: Simplify right side
7,566,542.02x = 43,115,053,137,060.73 - Step 5: Solve for x
x = 43,115,053,137,060.73/7,566,542.02 - Step 6: Final answer
x = 5,698,118.51
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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.