Finding the Fourth Proportional to 10,745,313.12, 14,829,578.28 and 8,024,335.20
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Solution
The fourth proportional to 10,745,313.12, 14,829,578.28 and 8,024,335.20 is: 11,074,363.83
Step by Step Solution
- Step 1: Write the proportion equation
10,745,313.12 : 14,829,578.28 = 8,024,335.20 : x - Step 2: Convert to fraction form
10,745,313.12/14,829,578.28 = 8,024,335.20/x - Step 3: Cross multiply
10,745,313.12x = 14,829,578.28 × 8,024,335.20 - Step 4: Simplify right side
10,745,313.12x = 118,997,506,993,359.45 - Step 5: Solve for x
x = 118,997,506,993,359.45/10,745,313.12 - Step 6: Final answer
x = 11,074,363.83
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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.