Finding the Fourth Proportional to 19,937,916.24, 27,513,644.16 and 10,997,380.74
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Solution
The fourth proportional to 19,937,916.24, 27,513,644.16 and 10,997,380.74 is: 15,176,010.21
Step by Step Solution
- Step 1: Write the proportion equation
19,937,916.24 : 27,513,644.16 = 10,997,380.74 : x - Step 2: Convert to fraction form
19,937,916.24/27,513,644.16 = 10,997,380.74/x - Step 3: Cross multiply
19,937,916.24x = 27,513,644.16 × 10,997,380.74 - Step 4: Simplify right side
19,937,916.24x = 302,578,020,372,397.50 - Step 5: Solve for x
x = 302,578,020,372,397.50/19,937,916.24 - Step 6: Final answer
x = 15,176,010.21
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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.