Finding the Fourth Proportional to 9,908,072.70, 14,862,109.05 and 4,239,368.70
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Solution
The fourth proportional to 9,908,072.70, 14,862,109.05 and 4,239,368.70 is: 6,359,053.05
Step by Step Solution
- Step 1: Write the proportion equation
9,908,072.70 : 14,862,109.05 = 4,239,368.70 : x - Step 2: Convert to fraction form
9,908,072.70/14,862,109.05 = 4,239,368.70/x - Step 3: Cross multiply
9,908,072.70x = 14,862,109.05 × 4,239,368.70 - Step 4: Simplify right side
9,908,072.70x = 63,005,959,922,556.74 - Step 5: Solve for x
x = 63,005,959,922,556.74/9,908,072.70 - Step 6: Final answer
x = 6,359,053.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.