Finding the Fourth Proportional to 7,607,371.25, 10,498,426.21 and 4,169,621.09
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Solution
The fourth proportional to 7,607,371.25, 10,498,426.21 and 4,169,621.09 is: 5,754,216.26
Step by Step Solution
- Step 1: Write the proportion equation
7,607,371.25 : 10,498,426.21 = 4,169,621.09 : x - Step 2: Convert to fraction form
7,607,371.25/10,498,426.21 = 4,169,621.09/x - Step 3: Cross multiply
7,607,371.25x = 10,498,426.21 × 4,169,621.09 - Step 4: Simplify right side
7,607,371.25x = 43,774,459,337,024.77 - Step 5: Solve for x
x = 43,774,459,337,024.77/7,607,371.25 - Step 6: Final answer
x = 5,754,216.26
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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.