Finding the Fourth Proportional to 28,115,598.06, 42,174,324.99 and 9,671,357.97
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Solution
The fourth proportional to 28,115,598.06, 42,174,324.99 and 9,671,357.97 is: 14,507,356.14
Step by Step Solution
- Step 1: Write the proportion equation
28,115,598.06 : 42,174,324.99 = 9,671,357.97 : x - Step 2: Convert to fraction form
28,115,598.06/42,174,324.99 = 9,671,357.97/x - Step 3: Cross multiply
28,115,598.06x = 42,174,324.99 × 9,671,357.97 - Step 4: Simplify right side
28,115,598.06x = 407,882,994,121,406.75 - Step 5: Solve for x
x = 407,882,994,121,406.75/28,115,598.06 - Step 6: Final answer
x = 14,507,356.14
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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.