Finding the Fourth Proportional to 10,890,533.91, 15,028,366.14 and 5,994,799.77
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Solution
The fourth proportional to 10,890,533.91, 15,028,366.14 and 5,994,799.77 is: 8,272,509.56
Step by Step Solution
- Step 1: Write the proportion equation
10,890,533.91 : 15,028,366.14 = 5,994,799.77 : x - Step 2: Convert to fraction form
10,890,533.91/15,028,366.14 = 5,994,799.77/x - Step 3: Cross multiply
10,890,533.91x = 15,028,366.14 × 5,994,799.77 - Step 4: Simplify right side
10,890,533.91x = 90,092,045,879,547.78 - Step 5: Solve for x
x = 90,092,045,879,547.78/10,890,533.91 - Step 6: Final answer
x = 8,272,509.56
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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.