Finding the Fourth Proportional to 28,768,327.12, 39,709,752.44 and 22,898,728
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Solution
The fourth proportional to 28,768,327.12, 39,709,752.44 and 22,898,728 is: 31,607,775.32
Step by Step Solution
- Step 1: Write the proportion equation
28,768,327.12 : 39,709,752.44 = 22,898,728 : x - Step 2: Convert to fraction form
28,768,327.12/39,709,752.44 = 22,898,728/x - Step 3: Cross multiply
28,768,327.12x = 39,709,752.44 × 22,898,728 - Step 4: Simplify right side
28,768,327.12x = 909,302,820,070,896.25 - Step 5: Solve for x
x = 909,302,820,070,896.25/28,768,327.12 - Step 6: Final answer
x = 31,607,775.32
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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.