Finding the Fourth Proportional to 22,931,083.65, 31,643,946.65 and 12,477,142.99
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Solution
The fourth proportional to 22,931,083.65, 31,643,946.65 and 12,477,142.99 is: 17,217,941.08
Step by Step Solution
- Step 1: Write the proportion equation
22,931,083.65 : 31,643,946.65 = 12,477,142.99 : x - Step 2: Convert to fraction form
22,931,083.65/31,643,946.65 = 12,477,142.99/x - Step 3: Cross multiply
22,931,083.65x = 31,643,946.65 × 12,477,142.99 - Step 4: Simplify right side
22,931,083.65x = 394,826,047,072,064.50 - Step 5: Solve for x
x = 394,826,047,072,064.50/22,931,083.65 - Step 6: Final answer
x = 17,217,941.08
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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.