Finding the Fourth Proportional to 14,318,737.74, 19,764,021.97 and 9,357,925.41
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Solution
The fourth proportional to 14,318,737.74, 19,764,021.97 and 9,357,925.41 is: 12,916,658.35
Step by Step Solution
- Step 1: Write the proportion equation
14,318,737.74 : 19,764,021.97 = 9,357,925.41 : x - Step 2: Convert to fraction form
14,318,737.74/19,764,021.97 = 9,357,925.41/x - Step 3: Cross multiply
14,318,737.74x = 19,764,021.97 × 9,357,925.41 - Step 4: Simplify right side
14,318,737.74x = 184,950,243,408,558.69 - Step 5: Solve for x
x = 184,950,243,408,558.69/14,318,737.74 - Step 6: Final answer
x = 12,916,658.35
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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.