Finding the Fourth Proportional to 19,713,376.84, 27,204,554.78 and 11,011,916.20
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Solution
The fourth proportional to 19,713,376.84, 27,204,554.78 and 11,011,916.20 is: 15,196,497.28
Step by Step Solution
- Step 1: Write the proportion equation
19,713,376.84 : 27,204,554.78 = 11,011,916.20 : x - Step 2: Convert to fraction form
19,713,376.84/27,204,554.78 = 11,011,916.20/x - Step 3: Cross multiply
19,713,376.84x = 27,204,554.78 × 11,011,916.20 - Step 4: Simplify right side
19,713,376.84x = 299,574,277,495,669.44 - Step 5: Solve for x
x = 299,574,277,495,669.44/19,713,376.84 - Step 6: Final answer
x = 15,196,497.28
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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.