Finding the Fourth Proportional to 39,005,634.84, 58,512,323.30 and 14,420,005.98
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Solution
The fourth proportional to 39,005,634.84, 58,512,323.30 and 14,420,005.98 is: 21,631,440.05
Step by Step Solution
- Step 1: Write the proportion equation
39,005,634.84 : 58,512,323.30 = 14,420,005.98 : x - Step 2: Convert to fraction form
39,005,634.84/58,512,323.30 = 14,420,005.98/x - Step 3: Cross multiply
39,005,634.84x = 58,512,323.30 × 14,420,005.98 - Step 4: Simplify right side
39,005,634.84x = 843,748,051,817,593.38 - Step 5: Solve for x
x = 843,748,051,817,593.38/39,005,634.84 - Step 6: Final answer
x = 21,631,440.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.