Finding the Fourth Proportional to 13,564,437.50, 18,719,136.18 and 7,369,606.91
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Solution
The fourth proportional to 13,564,437.50, 18,719,136.18 and 7,369,606.91 is: 10,170,172.95
Step by Step Solution
- Step 1: Write the proportion equation
13,564,437.50 : 18,719,136.18 = 7,369,606.91 : x - Step 2: Convert to fraction form
13,564,437.50/18,719,136.18 = 7,369,606.91/x - Step 3: Cross multiply
13,564,437.50x = 18,719,136.18 × 7,369,606.91 - Step 4: Simplify right side
13,564,437.50x = 137,952,675,247,763.33 - Step 5: Solve for x
x = 137,952,675,247,763.33/13,564,437.50 - Step 6: Final answer
x = 10,170,172.95
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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.