Finding the Fourth Proportional to 13,119,675.84, 19,665,931.68 and 6,379,715.52
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Solution
The fourth proportional to 13,119,675.84, 19,665,931.68 and 6,379,715.52 is: 9,562,968.71
Step by Step Solution
- Step 1: Write the proportion equation
13,119,675.84 : 19,665,931.68 = 6,379,715.52 : x - Step 2: Convert to fraction form
13,119,675.84/19,665,931.68 = 6,379,715.52/x - Step 3: Cross multiply
13,119,675.84x = 19,665,931.68 × 6,379,715.52 - Step 4: Simplify right side
13,119,675.84x = 125,463,049,554,155.66 - Step 5: Solve for x
x = 125,463,049,554,155.66/13,119,675.84 - Step 6: Final answer
x = 9,562,968.71
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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.