Finding the Fourth Proportional to 13,214,609.84, 19,829,136.64 and 5,127,903.52
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Solution
The fourth proportional to 13,214,609.84, 19,829,136.64 and 5,127,903.52 is: 7,694,657.72
Step by Step Solution
- Step 1: Write the proportion equation
13,214,609.84 : 19,829,136.64 = 5,127,903.52 : x - Step 2: Convert to fraction form
13,214,609.84/19,829,136.64 = 5,127,903.52/x - Step 3: Cross multiply
13,214,609.84x = 19,829,136.64 × 5,127,903.52 - Step 4: Simplify right side
13,214,609.84x = 101,681,899,574,816.97 - Step 5: Solve for x
x = 101,681,899,574,816.97/13,214,609.84 - Step 6: Final answer
x = 7,694,657.72
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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.