Finding the Fourth Proportional to 14,371,712.93, 19,830,310.47 and 8,176,397.93
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Solution
The fourth proportional to 14,371,712.93, 19,830,310.47 and 8,176,397.93 is: 11,281,919.59
Step by Step Solution
- Step 1: Write the proportion equation
14,371,712.93 : 19,830,310.47 = 8,176,397.93 : x - Step 2: Convert to fraction form
14,371,712.93/19,830,310.47 = 8,176,397.93/x - Step 3: Cross multiply
14,371,712.93x = 19,830,310.47 × 8,176,397.93 - Step 4: Simplify right side
14,371,712.93x = 162,140,509,587,914.97 - Step 5: Solve for x
x = 162,140,509,587,914.97/14,371,712.93 - Step 6: Final answer
x = 11,281,919.59
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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.