Finding the Fourth Proportional to 7,115,437.99, 9,818,550.95 and 4,017,773.59
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Solution
The fourth proportional to 7,115,437.99, 9,818,550.95 and 4,017,773.59 is: 5,544,102.09
Step by Step Solution
- Step 1: Write the proportion equation
7,115,437.99 : 9,818,550.95 = 4,017,773.59 : x - Step 2: Convert to fraction form
7,115,437.99/9,818,550.95 = 4,017,773.59/x - Step 3: Cross multiply
7,115,437.99x = 9,818,550.95 × 4,017,773.59 - Step 4: Simplify right side
7,115,437.99x = 39,448,714,654,344.16 - Step 5: Solve for x
x = 39,448,714,654,344.16/7,115,437.99 - Step 6: Final answer
x = 5,544,102.09
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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.