Finding the Fourth Proportional to 10,356,879.52, 15,539,799.21 and 5,558,963.74
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Solution
The fourth proportional to 10,356,879.52, 15,539,799.21 and 5,558,963.74 is: 8,340,850.17
Step by Step Solution
- Step 1: Write the proportion equation
10,356,879.52 : 15,539,799.21 = 5,558,963.74 : x - Step 2: Convert to fraction form
10,356,879.52/15,539,799.21 = 5,558,963.74/x - Step 3: Cross multiply
10,356,879.52x = 15,539,799.21 × 5,558,963.74 - Step 4: Simplify right side
10,356,879.52x = 86,385,180,296,421.16 - Step 5: Solve for x
x = 86,385,180,296,421.16/10,356,879.52 - Step 6: Final answer
x = 8,340,850.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.