Finding the Fourth Proportional to 19,645,344.84, 27,111,392.64 and 10,943,515.08
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Solution
The fourth proportional to 19,645,344.84, 27,111,392.64 and 10,943,515.08 is: 15,102,505.79
Step by Step Solution
- Step 1: Write the proportion equation
19,645,344.84 : 27,111,392.64 = 10,943,515.08 : x - Step 2: Convert to fraction form
19,645,344.84/27,111,392.64 = 10,943,515.08/x - Step 3: Cross multiply
19,645,344.84x = 27,111,392.64 × 10,943,515.08 - Step 4: Simplify right side
19,645,344.84x = 296,693,934,195,641 - Step 5: Solve for x
x = 296,693,934,195,641/19,645,344.84 - Step 6: Final answer
x = 15,102,505.79
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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.