Finding the Fourth Proportional to 15,365,341.20, 21,204,127.08 and 8,489,774.28
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Solution
The fourth proportional to 15,365,341.20, 21,204,127.08 and 8,489,774.28 is: 11,715,864.32
Step by Step Solution
- Step 1: Write the proportion equation
15,365,341.20 : 21,204,127.08 = 8,489,774.28 : x - Step 2: Convert to fraction form
15,365,341.20/21,204,127.08 = 8,489,774.28/x - Step 3: Cross multiply
15,365,341.20x = 21,204,127.08 × 8,489,774.28 - Step 4: Simplify right side
15,365,341.20x = 180,018,252,713,635.47 - Step 5: Solve for x
x = 180,018,252,713,635.47/15,365,341.20 - Step 6: Final answer
x = 11,715,864.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.