Finding the Fourth Proportional to 14,225,617.29, 21,329,776.35 and 5,579,356.53
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Solution
The fourth proportional to 14,225,617.29, 21,329,776.35 and 5,579,356.53 is: 8,365,642.39
Step by Step Solution
- Step 1: Write the proportion equation
14,225,617.29 : 21,329,776.35 = 5,579,356.53 : x - Step 2: Convert to fraction form
14,225,617.29/21,329,776.35 = 5,579,356.53/x - Step 3: Cross multiply
14,225,617.29x = 21,329,776.35 × 5,579,356.53 - Step 4: Simplify right side
14,225,617.29x = 119,006,426,961,812.08 - Step 5: Solve for x
x = 119,006,426,961,812.08/14,225,617.29 - Step 6: Final answer
x = 8,365,642.39
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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.