Finding the Fourth Proportional to 14,482,415.38, 19,985,637.06 and 7,866,943.70
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Solution
The fourth proportional to 14,482,415.38, 19,985,637.06 and 7,866,943.70 is: 10,856,330.07
Step by Step Solution
- Step 1: Write the proportion equation
14,482,415.38 : 19,985,637.06 = 7,866,943.70 : x - Step 2: Convert to fraction form
14,482,415.38/19,985,637.06 = 7,866,943.70/x - Step 3: Cross multiply
14,482,415.38x = 19,985,637.06 × 7,866,943.70 - Step 4: Simplify right side
14,482,415.38x = 157,225,881,544,044.72 - Step 5: Solve for x
x = 157,225,881,544,044.72/14,482,415.38 - Step 6: Final answer
x = 10,856,330.07
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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.