Finding the Fourth Proportional to 28,441,749.08, 39,249,797.09 and 16,678,623.09
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Solution
The fourth proportional to 28,441,749.08, 39,249,797.09 and 16,678,623.09 is: 23,016,607.39
Step by Step Solution
- Step 1: Write the proportion equation
28,441,749.08 : 39,249,797.09 = 16,678,623.09 : x - Step 2: Convert to fraction form
28,441,749.08/39,249,797.09 = 16,678,623.09/x - Step 3: Cross multiply
28,441,749.08x = 39,249,797.09 × 16,678,623.09 - Step 4: Simplify right side
28,441,749.08x = 654,632,571,939,695.75 - Step 5: Solve for x
x = 654,632,571,939,695.75/28,441,749.08 - Step 6: Final answer
x = 23,016,607.39
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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.