Finding the Fourth Proportional to 10,361,392.30, 15,542,088.45 and 6,563,593.90
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Solution
The fourth proportional to 10,361,392.30, 15,542,088.45 and 6,563,593.90 is: 9,845,390.85
Step by Step Solution
- Step 1: Write the proportion equation
10,361,392.30 : 15,542,088.45 = 6,563,593.90 : x - Step 2: Convert to fraction form
10,361,392.30/15,542,088.45 = 6,563,593.90/x - Step 3: Cross multiply
10,361,392.30x = 15,542,088.45 × 6,563,593.90 - Step 4: Simplify right side
10,361,392.30x = 102,011,956,943,680.45 - Step 5: Solve for x
x = 102,011,956,943,680.45/10,361,392.30 - Step 6: Final answer
x = 9,845,390.85
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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.