Finding the Fourth Proportional to 15,344,501.16, 21,175,368.06 and 8,468,934
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Solution
The fourth proportional to 15,344,501.16, 21,175,368.06 and 8,468,934 is: 11,687,104.89
Step by Step Solution
- Step 1: Write the proportion equation
15,344,501.16 : 21,175,368.06 = 8,468,934 : x - Step 2: Convert to fraction form
15,344,501.16/21,175,368.06 = 8,468,934/x - Step 3: Cross multiply
15,344,501.16x = 21,175,368.06 × 8,468,934 - Step 4: Simplify right side
15,344,501.16x = 179,332,794,525,848.03 - Step 5: Solve for x
x = 179,332,794,525,848.03/15,344,501.16 - Step 6: Final answer
x = 11,687,104.89
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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.