Finding the Fourth Proportional to 14,271,825.38, 19,695,129.14 and 7,745,453.28
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Solution
The fourth proportional to 14,271,825.38, 19,695,129.14 and 7,745,453.28 is: 10,688,731.02
Step by Step Solution
- Step 1: Write the proportion equation
14,271,825.38 : 19,695,129.14 = 7,745,453.28 : x - Step 2: Convert to fraction form
14,271,825.38/19,695,129.14 = 7,745,453.28/x - Step 3: Cross multiply
14,271,825.38x = 19,695,129.14 × 7,745,453.28 - Step 4: Simplify right side
14,271,825.38x = 152,547,702,616,800.22 - Step 5: Solve for x
x = 152,547,702,616,800.22/14,271,825.38 - Step 6: Final answer
x = 10,688,731.02
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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.