Finding the Fourth Proportional to 39,144,368.99, 58,723,776.05 and 12,884,688.20
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Solution
The fourth proportional to 39,144,368.99, 58,723,776.05 and 12,884,688.20 is: 19,329,409.67
Step by Step Solution
- Step 1: Write the proportion equation
39,144,368.99 : 58,723,776.05 = 12,884,688.20 : x - Step 2: Convert to fraction form
39,144,368.99/58,723,776.05 = 12,884,688.20/x - Step 3: Cross multiply
39,144,368.99x = 58,723,776.05 × 12,884,688.20 - Step 4: Simplify right side
39,144,368.99x = 756,637,544,330,877.50 - Step 5: Solve for x
x = 756,637,544,330,877.50/39,144,368.99 - Step 6: Final answer
x = 19,329,409.67
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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.